Canon FC200 Service Manual Download

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CHPTER 4 IMAGE FORMATION SYSTEM

4-5

Primary
charging
roller

Photo-
sensitive
drum

Amplifier

Microprocessor

DC bias
control circuit

Transformer
(T103)

Transformer
(T106)

DC current detection

DC bias high output

command (HVPHO)

DC bias ON command

(HVPDC)

AC bias ON command

(HVP

AC)

Current detection

DC controller/DC power supply PCB

Oscillation
control circuit

Oscillation
circuit

Figure 4-101C

Summary of Contents for FC200

Page 2: ... MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS COPYRIGHT 1998 CANON INC Printed in Japan Imprimé au Japon Pre...

Page 3: ...en a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation It also shows how these units may be disassembled assembled and adjusted CHAPTER 6 Fixing System explains the principles used to fuse toner images to transfer media in view of the functions of electrical and mechanical units and in relation to their timing of operation It...

Page 4: ...ts 1 is used to indicate that the voltage level of a given signal is High while 0 is used to indicate Low The voltage value however differs from circuit to circuit In practically all cases the internal mechanisms of a microprocessor cannot be checked in the field Therefore the operations of the microprocessors used in the machines are not discussed they are explained in terms of from sensors to th...

Page 5: ...f Electrical Circuit 2 2 C Basic Sequence of Operations A4 2 copies 2 3 D Main Motor Control Circuit 2 5 1 Outline 2 5 2 Operation 2 5 3 Overcurrent Sensor 2 5 E Inputs to DC Controller 2 6 1 Inputs to DC Controller 1 2 2 6 2 Inputs to DC Controller 2 2 2 7 F Outputs from DC Controller 2 8 1 Outputs from DC Controller 1 2 2 8 2 Outputs from DC Controller 2 2 2 9 CHAPTER 3 EXPOSURE SYSTEM I EXPOSUR...

Page 6: ...PTER 5 PICK UP FEEDING SYSTEM I OUTLINE 5 1 II CONTROLLING THE PICK UP ROLLER 5 2 A PC420 430 FC220 5 2 B PC400 FC200 5 3 III CONTROLLING THE REGISTRATION ROLLER 5 4 A Outline 5 4 B Pick Up Feeding Timing Chart A4 2 copies 5 5 IV CHECKING FOR JAMS 5 6 A Delivery Delay Jam 5 6 1 PC420 430 FC220 5 6 2 PC400 FC200 5 6 B Delivery Stationary Jam 5 7 1 PC420 430 FC220 5 7 2 PC400 FC200 5 7 C Pick Up Del...

Page 7: ...g the Delivery Door Switch 7 13 D Control Panel PCB 7 14 1 Detaching the Control Panel PCB 7 14 CHAPTER 8 INSTALLATION I SELECTING THE SITE 8 1 II UNPACKING AND INSTALLATION 8 2 III RELOCATING THE MACHINE 8 5 CHAPTER 9 MAINTENANCE AND SERVICING I PERIODICALLY REPLACED PARTS 9 1 II DURABLES 9 1 III PERIODICAL SERVICING 9 1 IV NOTES ABOUT CARTRIDGE 9 2 A Storing Sealed Cartridges 9 2 B Storing and H...

Page 8: ...ively narrow 10 19 9 The copy has dark lines paper feed direction thin 10 19 10 The copy has white spots paper feed direction 10 19 11 The copy has white lines paper feed direction 10 19 12 The copy has white spots cross feed direction 10 20 13 The back of the copy is soiled 10 20 14 The copy has faulty fixing 10 21 15 The copy has faulty leading edge registration blank area much too wide 10 21 16...

Page 9: ... and Solenoids 10 34 B Switches 10 35 C Lamp Heater Motor and Others 10 36 D Printed Circuit Board PCB 10 37 E Variable Resistors VR and Check Pins by PCB 10 38 1 DC Controller DC Power Supply PCB 10 38 2 Control Panel PCB 10 39 VII SELF DIAGNOSIS 10 40 APPENDIX A GENERAL TIMING CHART A 1 B SIGNALS ABBREVIATIONS LISTA 3 1 Signals A 3 2 Abbreviations A 4 C GENERAL CIRCUIT DIAGRAM A 5 D SPECIAL TOOL...

Page 11: ...TS 1 4 A External View 1 4 B Cross Section 1 5 IV OPERATION 1 6 A Control Panel 1 6 B Making Copies 1 8 C Jam Indicator 1 11 D Add Paper Indicator 1 11 E Replacing the Cartridge 1 11 F Changing the Density 1 14 G Cleaning 1 14 H When Not Using the Copier for a Long Time 1 16 V IMAGE FORMATION 1 17 A Outline 1 17 This chapter outlines the machine s specifications and how it may be operated ...

Page 13: ...ner case charging roller developing assembly and cleaning assembly is integrated into a single cartridge The user need no more than replace the cartridge and perform simple cleaning to maintain the copier in top condition 5 Variety of copy effects In addition to black toner the user has a choice of several colors Taking advantage of overlay copying various copy effects may be obtained through mere...

Page 14: ...at 20 C 68 F First copy 22 sec LTR Continuous copying Not available Copying speed Copy size A4 LTR LGL max postcard min 52 to 128 g m2 Tracing paper Colored paper OHP film Postcard vertical Labels Wrapping paper 63 g m2 Copy paper type Two sided copying Overlay copying Copy tray 9 copies approx A4 LTR 80 g m2 Non image width 2 mm leading edge A4 0 mm left right LTR LGL 2 mm left right Auto power o...

Page 15: ...on Standby Continuous 0 1 W approx 5 min reference only 0 2 kWh reference only Ozone 0 01 ppm or less average over 8 hr 71 dB Copying Standby Noise 14 1 in 359 mm Width Dimensions Depth Height 15 7 in 402 mm 4 1 in 108 mm Weight including cartridge 16 6 lb 7 4 kg approx Keep wrapped to protect against humidity Copy paper Cartridge See CHAPTER 9 Consumables Sound power level by ISO PC400 FC200 PC42...

Page 16: ...PTION III NAMES OF PARTS A External View PC420 430 FC220 PC400 FC200 q Copyboard cover w Copyboard glass e Pick up tray r Open Close button t Delivery assembly cover open close button y Delivery assembly cover u Copy tray Figure 1 301A q Upper cover w Pick up guide e Density correction switch r Power switch t Cartridge Figure 1 302A ...

Page 17: ...r w Copyboard glass e Cleaning assembly r Primary charging roller t Scanning lamp y Lens array u Developing cylinder i Registration roller o Pick up roller 0 Pick up tray 1 Transfer charging roller 2 Photosensitive drum 3 Fixing assembly 4 Delivery roller 5 Delivery tray 6 Heat exhaust fan 7 Delivery assembly cover open close button 14 13 17 16 15 11 12 10 3 1 2 4 5 6 7 8 9 12 11 9 8 Figure 1 301B...

Page 18: ... the Copy Count Set key The count decreases for each copy made the initial number is displayed after the last copy has been made is displayed to indicate pick up failure or absence of paper is displayed in response to an error found by self diagnosis y Copy Count Set Key Each press on the key increases the copy count up to 9 A press while is displayed causes to appear indicating all sheets on the ...

Page 19: ...DESCRIPTION 1 7 right view 2 PC400 FC200 Figure 1 402A lighter darker ON OFF 3 1 2 4 5 q Density Control Lever w Density Indicator e Jam Indicator Flashes when paper jams inside the copier Goes and remains ON when an error self diagnosis occurs in the copier r Main Indicator Remains ON when copying is ready t Power Switch ...

Page 20: ... along the size index Place the document so that its center is at on the size index Figure 1 401B then close the copyboard cover Figure 1 401B 3 Adjust the copy density to suit the document 4 Slide the pick up guide to suit the size of copy paper 5 Set copy paper on the pick up tray PC420 430 FC220 Place a stack of copy paper of a size suited to the document on the pick up tray make sure the edges...

Page 21: ... of film on the pick up tray for each copy Depending on the environment of the site a press on the Copy Start key may not pull the film inside the copier if this is the case perform the following 1 Place copy paper under the film stagger the sheet and film so that the leading edge of the film is about 1 cm behind that of the paper Figure 1 403B 2 Hold the trailing edge of the copy paper and set th...

Page 22: ...Making Two Sided Copies 1 Turn over the copy while maintaining its feeding direction Make sure that the paper is not moist or curled Use paper of 64 to 128 g m2 when making two sided copies Do not process each side more than twice Figure 1 405B Making Overlay Copies You can make two or three colored copies by replacing the cartridge Use paper of 64 to 128 g m2 when making overlay copies Do not pro...

Page 23: ...lose button to open the delivery cover then detach the paper from the delivery cover and pull it slowly in the direction of delivery 4 Close the top cover and delivery cover then move the copyboard to the center To resume copying switch the copier ON set the desired copy count and set the copy density D Add Paper Indicator PC420 430 FC220 flashes if you try to make a copy when the pick up tray has...

Page 24: ...artridge back in the copier and make a copy a If the output returns to normal The cartridge may be used further advise the user however to obtain a spare cartridge b If the output fails to return to normal Replace the cartridge as described below 2 Replacing the Cartridge 1 Move the copyboard to the left until it stops then press the open close button to open the top cover 2 Slide the cartridge ou...

Page 25: ...8 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 1 GENERAL DESCRIPTION 1 13 4 Detach the tip of the seal attached to the cartridge and pull it straight out to the front about 50 cm Figure 1 404E 5 Hold the cartridge with its Warning label facing the left and insert it in the copier with care until it butts against the rear ...

Page 26: ...en dry wipe it If dirt cannot be removed wipe the part using mild detergent then dry wipe it COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 1 14 CHAPTER 1 GENERAL DESCRIPTION F Changing the Density PC420 430 FC220 You have a choice of three settings for automatic density adjustment mode AE switch the density if the copy is too dark or too li...

Page 27: ...ON 1 15 2 Lens Array 1 Move the copyboard to the left until it stops 2 Put a cotton wad in the lens array groove and move it back and forth lightly Fiber lens face side Figure 1 401G 3 Open the upper cover and remove the cartridge 4 Put a flat tipped cotton wad in the lens array rear groove and move it back and forth Figure 1 402G ...

Page 28: ...k up roller while rotating it in pick up direction with a cloth Note Do not make copies until the pick up roller has completely dried Pick up roller Figure 1 403G H When Not Using the Copier for a Long Time Advise the user to perform the following if she he does not have any plan to use the copier for a long time 1 Disconnect the power plug 2 Place the copier in a dust free sunlight free place ...

Page 29: ...s shown in Figure 1 501A The image formation process con sists of seven steps as discussed below Step 1 Primary charging negative Step 2 Image exposure Step 3 Development AC and DC bias Step 4 Transfer negative Step 5 Separation Step 6 Fixing Step 7 Drum cleaning Figure 1 502A The photosensitive drum has a layer construction the photoconductive layer on the outside and the conductive alu minum bas...

Page 31: ...utline 2 1 B Outline of Electrical Circuit 2 2 C Basic Sequence of Operations A4 2 copies 2 3 D Main Motor Control Circuit 2 5 E Inputs to DC Controller 2 6 F Outputs from DC Controller 2 8 This chapter outlines the machine s basic mechanisms and functions relationship between electrical and mechanical systems and the timing of operation of respective parts ...

Page 33: ...s pick up feeding exposure image formation and control blocks Figure 2 101A Control Block Control panel Control circuit Document exposure system Copyboard Exposure Block Image Formation Block Primary charg ing roller Drum cleaning Developing assembly Photo sensitive drum Pick up tray Pick up Feeding Block Pick up control assembly Transfer Separation Feeding Fixing assembly Delivery assembly Copy t...

Page 34: ...nd generates signals to drive such loads as motors solenoids and lamps as necessary Q101 TH1 Q Photointerrupter Thermistor Relay Door switch High voltage transformer DC load Sub power supply circuit DC power supply PCB AC driver AC load Developing cylinder Primary Transfer charging roller Display DC5V DC24V DC5V Scanning lamp Main motor Solenoid Heater DC controller DC power supply PCB Copyboard p...

Page 35: ...ard 1 2 3 4 5 6 7 8 10 STBY INTR CBRV STOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Scanning lamp LA1 LA8 Primary AC bias Primary DC bias Transfer charging Copyboard drive solenoid SL2 Pick up solenoid Registration solenoid Fixing heater H1 Copy paper inserted PC400 FC200 Copy Start key ON Copy paper inserted PC400 FC200 2 sec 9 Registration roller PC420 430 FC220 PC40...

Page 36: ...The copyboard moves from the home position to the start position While the copyboard is moving forward about 10 sec The scanning lamp illumi nates the document and the reflected optical image is projected to the photo sensitive drum through the lens array The copy paper is moved to the transfer assembly While the copyboard is moving in reverse about 4 sec Returns the copyboard to the start positio...

Page 37: ... command MMD to go 0 in response to instructions from the microprocessor thereby causing the main motor to rotate at a specific speed 3 Overcurrent Sensor When the overcurrent sensor circuit detects an overload in the main motor M1 the speed controller circuit exerts control so that the rotation of the motor is slowed down If the revolution of the main motor falls below a specific revolution howev...

Page 38: ...tput PC420 430 FC220 only Turning density adjustment dial varies voltage turn to darken brings it closer to 0V Note The pin No in parentheses refers to the PC400 FC200 PWSON Control panel PCB Density adjustment dial lever Power switch Density correction switch PC420 430 FC220 Oscillation signal output DGT 2 KEYR 3 DGT 0 DGT 1 5V J202 1 J601 21 16 J601 13 8 J601 22 17 5V 5V VR601 SW604 SW605 AE SW6...

Page 39: ...detection Delivery detection PCB Control panel PCB Q801 Q902 Q901 TH1 J801 J603 3 3 Q131 When Q902 detects copyboard start position or reversal position oscillation signal DGT0 is input When surface temperature of fixing heater increases voltage lowers When Q801 detects copy paper oscillation signal DGT1 is input J603 1 2 J621 J905 2 3 1 J904 2 3 1 J601 J601 11 6 J601 12 7 J601 15 10 1 5 2 4 Motor...

Page 40: ...puts from DC Controller 1 Outputs from DC Controller 1 2 24V MMD DC controller DC power supply PCB High voltage output Main motor M1 Scanning lamp Lamp PCB J101 J102 J108 1 2 J201 5 4 J903 1 2 J906 1 2 See Chap 6 See Chap 3 See Chap 4 When 0 main motor goes ON LA1 to LA8 Fixing heater H1 FU2 Thermal fuse 2 FU1 Thermal fuse 1 Figure 2 101F ...

Page 41: ...ve solenoid SL2 J902 1 2 J101 9 8 24V CBSD voltage to SL2 is switched between 24V and 15V to ensure stable operation DC controller DC power supply PCB When 0 SL2 goes ON Figure 2 102F b PC400 FC200 Figure 2 103F Registration solenoid SL1 J901 1 2 J201 7 6 24V RGSD When 0 SL1 goes ON Copyboard drive solenoid SL2 J902 1 2 J101 9 8 24V CBSD voltage to SL2 is switched between 24V and 15V to ensure sta...

Page 43: ...I Controlling the Scanning Lamp 3 7 A Outline 3 7 B Operations 3 8 C Controlling the Intensity of the Scanning Lamp VR604 3 8 III MECHANICAL SYSTEM 3 9 A Scanning System 3 10 B Copyboard Drive Assembly 3 11 This chapter outlines the machine s copyboard drive and scanning lamp control systems in relation to mechanisms and functions relationship between electrical and mechanical systems and the timi...

Page 45: ...the photosensitive drum through the lens array Figure 3 101A B Copyboard Drive System 1 Outline The copyboard is moved forward or in reverse by transmitting the drive of the main motor M1 to the copyboard drive gear pinion Figure 3 101B illustrates the movement of the copyboard Photosensitive drum Scanning lamp Copyboard glass Lens array Figure 3 101B Front View Reverse Forward Reverse Stop Copier...

Page 46: ... solenoid goes ON in response to a press on the Copy Start key or insertion of copy paper Copyboard is at the start position Copyboard drive solenoid goes OFF Scanning lamp ON The copyboard drive solenoid goes ON about 0 5 second after the Copy Start key is pressed AE measurement starts Registration roller goes ON by registration cam Copyboard is at the reversal position Copyboard drive solenoid g...

Page 47: ...or ON or OFF E2 is displayed if the copyboard fails to complete its movement within a specific period of time In response to the signal from Q902 the DC controller controls the timing for paper transport and the movement forward reverse stop of the copyboard see Table 3 101B Copyboard drive solenoid drive command CBSD Copyboard drive gear Reversal cam Start position cam Forward Copyboard glass Reg...

Page 48: ...her the forward gear or the reverse gear depending on the orientation of the copyboard position sensor lever and the state ON OFF of the copyboard drive solenoid SL2 operated by the start position cam or reversal cam when not engaged the mechanism is said to be free and the copyboard can be moved by hand The above mechanism is used to move the copyboard forward and reverse or to stop it Copyboard ...

Page 49: ...right or left by hand b Moving the Copyboard in Reverse When SL2 goes ON while the main motor is operating the forward reverse switching mechanism engages with the reverse gear and the reverse gear rotates in the direction of the arrow causing the copyboard to move in reverse The copyboard moves in reverse about two times as fast as when it moves forward owing to the difference in the gear ratio F...

Page 50: ...n the copyboard position sensor lever When SL2 goes ON in this position the forward reverse switching mechanism moves to the position shown in the figure causing the forward reverse switching mechanism to engage with the forward gear as a result the forward gear rotates in the direction of the arrow moving the copyboard forward Copyboard drive gear Forward gear Start position cam M1 Copyboard driv...

Page 51: ...sity of the scanning lamp has stabilized The intensity of the scanning lamp is checked by the lamp intensity detection signal LID to make sure that the intensity has reached the specified value In addition a rush current protection circuit is provided to prevent rush current occurring when the lamp turns on FIgure 3 201A Scanning lamp LA1 LA8 J621 4 3 1 Intensity sensor PD601 VR604 5V Control pane...

Page 52: ...s ON Initial power of the intensity sensor PD601 is high Output voltage of the amplifier circuit is low Duty ratio H of the output of the microprocessor LAPWM com mand grows low Current flowing to the lamp decreases If the microprocessor finds out that the scanning lamp has remained on for 2 min at such times as not prescribed it activates the self diagnostic mechanism the results are indicated by...

Page 53: ... safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws used on the rear cover is provided with a washer to protect against static electricity Be sure to keep the washer with the screw when mounting the cover 5 The fixing screw for the grounding wire and ...

Page 54: ...unit see Figure 3 302A COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 3 10 CHAPTER 3 EXPOSURE SYSTEM A Scanning System 1 Detaching the Scanning Lamp Unit 1 Detach the top cover assembly 2 Disengage the two hooks q and pins w and detach the lamp unit e disengage Figure 3 301A Figure 3 302A Scanning lamp unit ...

Page 55: ...ME AU JAPON CHAPTER 3 EXPOSURE SYSTEM 3 11 B Copyboard Drive Assembly 1 Detaching the Copyboard Drive Assembly 1 Take out the fixing assembly 2 Remove the screw and remove the grounding wire q remove the screw and remove the motor rotation detecting PCB w then disconnect the four connectors e 3 Remove the screw r and detach the cartridge support t rear Figure 3 301B rear view Figure 3 302B ...

Page 56: ...N PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 3 12 CHAPTER 3 EXPOSURE SYSTEM 4 Remove the four screws t M4X8 yellow y M3X6 white and detach the copyboard drive assembly u as if to lift it Figure 3 303B ...

Page 57: ...ontrolling Developing Bias 4 6 E Transfer Charging Control Circuit 4 10 F Document Density Measurement AE PC420 430 FC220 4 14 II CHARGING DEVELOPING AND CLEANING SYSTEMS 4 17 A Cartridge 4 17 III MECHANICAL SYSTEM 4 18 A Photosensitive Drum 4 19 B Transfer Charging Roller 4 20 This chapter outlines the machine s image formation system in relation to mechanisms and functions relationship between e...

Page 59: ...ransfer charging Controls the developing bias Figure 4 101A Lamp intensity sensor AE sensor Scanning lamp Primary charging roller Lens array Developing cylinder Transfer charging roller Control panel PCB Lamp intensity sensor signal LID AE signal AE Lamp ON command LAPWM Primary corona high voltage Transfer charging high voltage Developing bias DC controller DC power supply PCB J621 4 2 J601 10 4 ...

Page 60: ...PY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Scanning lamp LA1 LA8 Primary AC bias Primary DC bias Transfer charging Developing AC bias Copy paper inserted PC400 FC200 Copy Start key ON Copy paper inserted PC400 FC200 4 sec 1 5 sec ON Scanning lamp Primary DC bias Developing DC bias Transfer charging Developing DC bias 230V 625V 400V 120V to 560V variable according to densit...

Page 61: ...age constant Controls the AC bias current constant A DC bias 625 V 230 V and an AC bias are applied to the primary charging roller to maintain the surface potential of the photosensitive drum uniform During document exposure 625 V and non exposure periods 230 V DC bias is switched by the DC bias high output command HVPHO The DC bias and AC bias are turned ON and OFF by the DC bias ON command HVPDC...

Page 62: ...mer T103 generates AC bias Primary charging DC bias AC bias goes ON b HVPDC 1 HVPHO 0 document not exposed DC bias control circuit set to 240 V Transformer T106 generates DC bias HVPAC 1 Oscillation control circuit goes ON Transformer T103 generates AC bias Primary charging DC bias AC bias goes ON c HVPDC 0 HVPHO 0 standby DC bias control circuit goes OFF Transformer T106 DC bias goes OFF HVPAC 0 ...

Page 63: ...ary charging roller Photo sensitive drum Amplifier Microprocessor DC bias control circuit Transformer T103 Transformer T106 DC current detection DC bias high output command HVPHO DC bias ON command HVPDC AC bias ON command HVPAC Current detection J6 DC controller DC power supply PCB Oscillation control circuit Oscillation circuit Figure 4 101C ...

Page 64: ...the density control dial lever manual density control Output of the AE sensor automatic density control PC420 430 FC220 Setting made by the density correction switch SW606 PC420 430 FC220 The density correction switch SW606 on the control panel PCB allows three set tings by the user Advise the user to change the setting if the copies tend to be foggy because of shifts in the sensitivity of the pho...

Page 65: ...sity Control PC420 430 FC220 Density Control Dial 9 5 1 darker lighter 0 100 200 300 400 500 Developing bias DC component V ME2 dark ME1 ME0 light Setting by density correction switch SW606 Figure 4 103D Automatic Density Control PC420 430 FC220 Test Chart Newspaper Document density 0 100 200 300 400 500 Developing bias DC component V AE2 dark AE1 AE0 light SW606 ...

Page 66: ...ives the developing cylinder of the AC bias ACBTP 1 pulse output ON T104 goes ON The above condition raises the AC bias output using the high voltage transformer T104 and sends it to the developing cylinder b Turning the DC Bias ON and OFF and Controlling the Voltage Level The DC bias is turned ON and OFF by the DC bias control command DCBPWM The microprocessor checks the DC voltage when the DC bi...

Page 67: ... Figure 4 104D Photo sensitive drum Amplifier Microprocessor Transformer T104 Transformer T106 DC voltage detection AC bias timing pulse command ACBTP J7 DC controller DC power supply PCB 5V Q146 Developing cylinder DC bias control command DCBPWM AE VR601 SW606 AE signal Density control dial Density correction switch Control panel PCB J202 ...

Page 68: ...o vary from one roller to another or because of changes in the environment The copier sends constant current to the transfer charging roller so that the microprocessor can check the changes in terms of voltage measurement mode Based on the measured voltage the microprocessor corrects the DC bias Further the copier is equipped with a cleaning mechanism cleaning mode that prevents adhesion of toner ...

Page 69: ...it goes OFF In measurement mode the current is monitored by the current sensor circuit so that the constant current control circuit can control it to a constant current Further the microprocessor monitors the internal resistance of the transfer charging roller in terms of voltage using the auxiliary winding of the transformer T107 b Operations during Copying HVTDC 1 DCTPWM 1 Oscillation circuit go...

Page 70: ...ment thereby controlling the negative DC bias If an overcurrent occurs in the output side of the transformer T107 because of changes in the environment the current limiter circuit exerts control so that no current larger than the specified value will flow c Operations in Cleaning Mode TREV 0 Positive bias control circuit goes ON Multiplier rectifier circuit goes ON Cleaning mode is selected apply ...

Page 71: ... circuit Multiplier Rectifier circuit Constant current control circuit Pulse DC converter circuit Current sensor circuit Current limiter circuit Microprocessor Photo sensitive drum Transfer charging roller Transformer T106 Transformer T107 DC controller DC power supply PCB Transfer positive DC bias ON command TREV Voltage sensor analog signal Transfer DC bias ON command HVTDC Transfer DC bias cont...

Page 72: ...res the document density during image exposure 2 Operations Document measurement is started while the copyboard is moving forward i e when the leading edge of the document begins to be exposed copyboard position sensor Q902 goes OFF At the time the photodiode PD602 checks the reflected light The output of the photodiode PD602 is amplified and sent to the microprocessor as AE signals AE Measurement...

Page 73: ...ntrol panel PCB or intensity AE sensor see p 10 8 Note Adjust the AE mechanism only after adjusting the intensity of the scanning lamp 30 mm approx 33 5 mm approx 6 mm Points of measurement The microprocessor takes measurements of the AE signals four times every 1 5 mm and generates the developing DC bias control command DCBPWM to suit the average document density See Figure 4 102F for the points ...

Page 74: ...PTER 4 IMAGE FORMATION SYSTEM Figure 4 103F 5V Photosensitive drum Developing cylinder Microprocessor Amplifier circuit Scanning lamp Lens array AE sensor PD602 VR603 4V approx VR602 Control panel PCB AE signal J601 4 J202 19 DCBPWM DC bias control circuit DC controller DC power supply PCB Forward J621 1 J621 2 ...

Page 75: ...nsitive drum Figure 4 201A a Drum Cover Shutter The photosensitive drum is susceptible to light if exposed to strong light it will develop residual memory causing white spots or black lines on the copies To avoid such problems you must not open the drum cover shutter unless it is absolutely necessary The drum cover shutter is designed to open when the cartridge is inserted into the copier and the ...

Page 76: ... for safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws used on the rear cover is provided with a washer to protect against static electricity Be sure to keep the washer with the screw when mounting the cover 5 The fixing screw for the grounding wire ...

Page 77: ...ution 1 You must rotate the drum in the direction it rotates for making copies otherwise the leaf spring used to apply developing biases to the developing cylinder may cause faulty contact 2 Use a flannel cloth do not use paper lint free or otherwise 3 Work quickly to protect the drum from light Reference The drum would recover to more or less its normal condition if left alone for five minutes in...

Page 78: ...ging roller lightly using lint free paper Caution 1 Do not use water or solvent 2 Do not touch the roller make sure the roller is free of solvent or oil 2 Detaching the Transfer Charging Roller 1 Open the top cover and take out the cartridge 2 Free the tabs q of the base plate and take out the transfer charging roller w by pulling it up together with its bushings at this time remove the spring as ...

Page 79: ...Delivery Delay Jam 5 6 B Delivery Stationary Jam 5 7 C Pick Up Delay Jam PC420 430 FC220 5 8 D Pick Up Stationary Jam 5 9 E Paper is present at the pick up or delivery sensor at time of power on or when the Copy Start key is pressed 5 9 V MECHANICAL SYSTEM 5 10 A Pick Up Roller Assembly 5 11 B Registration Roller Assembly 5 14 C Removing the Separation Pad 5 15 This chapter outlines the machine s ...

Page 81: ... it reaches the copy tray The delivery of copy paper is monitored by the delivery sensor Q801 if copy paper fails to reach or move past the sensor the copier identifies the condition as a jam and flashes Jam on the control panel Figure 5 101 Registration solenoid drive command RGSD Pick up sensor signal M1 M1 DC controller DC power supply PCB Control panel PCB Pick up solenoid SL1 SL1 Main motor D...

Page 82: ...control ring and pick up solenoid SL1 When the pick up solenoid goes ON the claw moves away from the control ring allowing the drive from the main motor M1 to be transmitted causing the pick up roller to make a single rotation At the time copy paper is picked up and butted against the registration roller forming an arch Claw Pick up solenoid SL1 Spring clutch Control ring M1 Main motor Pick up rol...

Page 83: ...otor M1 goes ON causing the pick up roller to rotate by its drive The pick up roller keeps rotating as long as the main motor remains ON The condition causes the copy paper to butt against the registration roller DC controller DC power supply PCB Sensor lever Pick up sensor Q131 Pick up rollers Pick up direction Copy paper Main motor M1 Main motor drive command MMD Pick up sensor oscillation signa...

Page 84: ...ps when the pick up solenoid PC420 430 FC220 or the registration solenoid PC400 FC200 goes ON to set the claw to the control ring Copyboard glass Registration cam Lever Main motor M1 Claw Control ring Copy paper Upper registration roller Pick up direction Pick up solenoid SL1 PC420 430 FC220 Registration solenoid SL1 PC400 FC200 Lower registration rollers Lower registration rollers DC controller D...

Page 85: ...tor M1 Copyboard position sensor Q902 Copyboard drive solenoid SL2 Fixing heater H1 Pick up solenoid SL1 Copy Start key ON Pick up sensor Q131 ON only PC430 Figure 5 301B b PC400 FC200 Sequence Copyboard 1 2 3 4 5 6 STBY INTR CBRV STOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch Main motor M1 Copyboard position sensor Q902 Copyboard drive solenoid SL2 Fixing heater H1 Registration solenoi...

Page 86: ... microprocessor identifies the following conditions as jams A Delivery Delay Jam The copy paper does not reach the delivery sensor within a specific period of time 1 PC420 430 FC220 Sequence Copyboard 1 2 3 4 5 STBY INTR CBRV STOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy Start key ON Pick up sensor Q131 Delivery sensor Q80...

Page 87: ...W CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy Start key ON Pick up sensor Q131 Delivery sensor Q801 4 sec error normal 4 sec normal 6 5 sec Sequence Copyboard 1 2 3 4 5 STBY INTR CBRVSTOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy paper inserted Pick up sensor Q1...

Page 88: ... within a specific period of time Sequence Copyboard 1 2 3 4 5 6 STBY INTR CBRV STOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Pick up solenoid SL1 Copy Start key ON Pick up sensor Q131 Delivery sensor Q801 Jam check Note A jam is identified if the pick up sensor is ON 0 2 sec after the pick up solenoid has gone OFF normal 3 3 sec error 3...

Page 89: ...h ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy Start key ON Pick up sensor Q131 Delivery sensor Q801 1 sec error normal 1 sec Sequence Copyboard 1 2 3 4 5 STBY INTR CBRVSTOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy paper inserted Pick up sensor Q131 Delivery sensor Q801 10 sec error normal Copy paper ins...

Page 90: ...for safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws used on the rear cover is provided with a washer to protect against static electricity Be sure to keep the washer with the screw when mounting the cover 5 The fixing screw for the grounding wire a...

Page 91: ...APTER 5 PICK UP FEEDING SYSTEM 5 11 A Pick Up Roller Assembly 1 Detaching the Pick Up Roller a PC420 430 FC220 1 Detach the body cover 2 Disengage the hook q and detach the solenoid w Figure 5 501A right rear view Figure 5 502A 3 Remove the spring e and detach the claw r of the control ring by pulling it up ...

Page 92: ... UP FEEDING SYSTEM 4 Bend the holding plate t and detach the pick up roller bushing y by pulling it to the front Figure 5 503A 5 Move the pick up roller assembly u to the front and detach it from the rear 9 10 Figure 5 504A 6 Disengage the hook i and detach the pick up roller 0 from the pick up roller shaft o Figure 5 505A ...

Page 93: ...20 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 5 PICK UP FEEDING SYSTEM 5 13 b PC400 FC200 1 Detach the body cover 2 Bend the pick up roller support q and detach the pick up roller w from the rear by pulling it to the front A B Figure 5 506A ...

Page 94: ...0 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 5 14 CHAPTER 5 PICK UP FEEDING SYSTEM B Registration Roller Assembly 1 Detaching the Registration Roller Assembly 1 Detach the copyboard drive assembly 2 Remove the two screws M4X10 black q and detach the registration roller assembly w while lifting its front slightly and as if to move it to the front Figure 5 501B Figure 5 502B Sheet Registra...

Page 95: ...EV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 5 PICK UP FEEDING SYSTEM 5 15 C Removing the Separation Pad 1 Remove the pick up roller assembly q q Push Push Figure 5 501C Figure 5 502C 2 Open up the feeding guide w and remove the separation guide e ...

Page 97: ... B Controlling the Fixing Heater Temperature 6 3 C Controlling the Supply Power to the Fixing Heater 6 3 D Protection Mechanisms 6 5 II MECHANICAL SYSTEM 6 6 A Fixing Assembly 6 7 This chapter outlines the machine s fixing system in relation to mechanisms and functions relationship between electrical and mechanical systems and the timing of operation of respective parts ...

Page 99: ... film to rotate Some sections of the underside of the fixing film is heated by the fixing heater The temperature of the fixing heater is monitored by the thermistor TH1 and the readings are sent to the microprocessor on the DC controller DC power supply circuit in the form of the fixing heater temperature sensor signal TH1 Based on the signal the microprocessor of the DC controller DC power supply...

Page 100: ...O COM 5V 5V Relay drive command RELAYD Fixing heater overheating sensor circuit 5V 5V 5V 5V Fixing heater drive command HTRD DC controller DC power supply PCB Microprocessor Thermistor signal 1 TH1 Fixing heater temperature sensor Thermal fuse 228 C FU2 Fixing heater H1 TH1 Delivery roller Pressure roller Fixing heater Fixing film Main motor M1 Figure 6 102A ...

Page 101: ... H1 is controlled by controlling the power supplied to the fixing heater The power to the fixing heater is controlled by a phase power control method The microprocessor on the DC controller DC power supply circuit takes on the zero cross signal ZXDP from the zero cross signal generator circuit as a sync signal to identify the AC input voltage in relation to the reference voltage signal VPEAK from ...

Page 102: ...GHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 6 4 CHAPTER 6 FIXING SYSTEM AC input signal ZXDP signal VPEAK signal HTRD Supply power to heater Figure 6 102C ...

Page 103: ...The temperature of the fixing heater does not reach 150 C within 7 5 sec after copying starts iii The temperature of the fixing heater drops to 135 C or less after it has reached 150 C iv The temperature of the fixing heater rises in excess of 215 C v The maximum power 400 W is detected for 5 sec continuously after the temper ature of the fixing heater has reached 150 C 2 TH1 registers 234 C as th...

Page 104: ...safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws used on the rear cover is provided with a washer to protect against static electricity Be sure to keep the washer with the screw when mounting the cover 5 The fixing screw for the grounding wire and v...

Page 105: ... into the bushing 3 The copier does not have an adjustment mechanism for roller pressure COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 6 FIXING SYSTEM 6 7 Fixing heater Fixing film Inlet guide Presure roller lower roller Figure 6 201A Figure 6 202A 2 Detaching the Fixing Assembly 1 Detach the body cover 2 Disconnect the three connec...

Page 106: ...400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 6 8 CHAPTER 6 FIXING SYSTEM 3 While lifting the hook w slide the delivery door switch e to the front to remove Figure 6 203A Figure 6 204A 4 Detach the drive belt r ...

Page 107: ...xing assembly 2 Remove the harness q and remove the hook w then remove the harness holder e 5 Remove the two screws M4X8 yellow t and turn the fixing assembly y slightly in the direction of the arrow to remove Caution 1 You cannot replace the fixing film or fixing heater do not disassemble them 2 Do not forget to attach the drive belt of the heat exhaust fan to the pulley when attaching the fixing...

Page 108: ... FIXING SYSTEM 4 Remove the two screws e and remove the heat exhaust fan r Figure 6 208A Figure 6 209A 5 Remove the two screws u and turn the upper stay i in the direction of the arrow to remove rear Figure 6 207A Push Push Pull up to remove A Viewed from A 3 Remove the two hooks r and remove the drive releasing arm t ...

Page 109: ...EM 6 11 6 Disconnect the connector o and remove the fixing upper unit 0 Figure 6 210A Figure 6 211A 10 9 front 4 Detaching the Pressure Roller 1 Detach the fixing upper unit Note Take care not to damage the pres sure roller by the separation claw or inlet guide when detaching it 2 Detach the pressure roller q as if to lift it ...

Page 111: ...y PCB 7 2 C Protection Mechanism for Power Supply Circuit 7 2 II MECHANICAL SYSTEM 7 3 A External Covers 7 4 B Copyboard Assembly 7 9 C DC Controller DC Power Supply PCB 7 11 D Control Panel PCB 7 14 This chapter outlines the machine s auxiliary system in relation to mechanisms and functions relationship between electrical and mechanical systems and the timing of operation of respective parts ...

Page 113: ...essor indicates AC line Door switch SW1 Sub power supply Relay AC driver Fixing heater Lamp drive assembly Scanning lamp HVT assembly Charging roller Developing cylinder Main motor M1 DC load Control panel Solenoids etc Photointerrupter DC power supply assembly Motor driver assembly DC controller DC power supply PCB FU101 FU102 RL101 DC5VL 24VR 24VU 24VR 5V T106 Main transformer Sensor Delivery do...

Page 114: ... the fixing heater Note The tolerances for the DC power supply are as follows 24VR 5 24 VU 22 V to 46 V 5 VL 2 5 V 10 C Protection Mechanism for Power Supply Circuit The DC power supply circuit s AC power supply input is equipped with a fuse The fuse blows if an overcurrent flows because of a short circuit in the 24V power thus shut ting out the output from the AC power supply circuit If this happ...

Page 115: ...cord for safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws used on the rear cover is provided with a washer to protect against static electricity Be sure to keep the washer with the screw when mounting the cover 5 The fixing screw for the grounding w...

Page 116: ...q Control panel cover w Bottom cover e Top cover r Body cover t Delivery assembly cover y Copyboard cover Figure 7 201A 1 Detaching the Control Panel Cover 1 Move the copyboard cover to the left until it stops 2 Open the top cover and remove the screw q 3 Detach the control cover w as if to lift it to the front À Á Â Ã Ä Å À Á Note When attaching the PC400 FC200 control panel cover fit the VR on t...

Page 117: ...igure 7 203A 3 Detach the pick up tray and delivery tray 4 Detach the control cover 5 Open the top cover and take out the cartridge 6 Press the delivery assembly cover open close button to open the delivery cover Note You must disengage the five hooks that hold the body cover in place before detaching the body cover 7 Push the hook found down the hole e in the body cover w with a screwdriver and l...

Page 118: ...ight rear of the body with a screwdriver and lift the body cover t slightly Figure 7 205A right rear view Figure 7 206A rear view 9 Detach the hook at the rear y as if to pull the body cover u to the front then lift the body cover slightly Push 10 Disengage the two hooks at the front i as if to pull the body cover to the front 11 Detach the body cover o by lifting it Figure 7 207A ...

Page 119: ... the two connectors q Figure 7 208A Figure 7 209A 3 Bend the support w at the front to the front and remove the pin e from the top cover assembly 4 Detach the top cover assembly r 4 Detaching the Delivery Assembly Cover 1 Take out the fixing assembly 2 Shift the delivery assembly cover q in the direction of close and match the D cut w of the hinge with the cut in the bushing then remove it from th...

Page 120: ...ED IN JAPAN IMPRIME AU JAPON 7 8 CHAPTER 7 EXTERNALS AUXILIARY MECHANISMS 5 Detaching the Bottom Cover 1 Place the copier with the delivery assembly at the bottom then remove the two screws M4X10 black q 2 Disengage the five hooks w and detach the bottom cover e Figure 7 211A ...

Page 121: ...B Copyboard Assembly 1 Detaching the Copyboard Cover 1 Lift the right rear corner of the copyboard cover about 5 mm then slide it to the front 2 Slide the left rear corner the same way Figure 7 201B Figure 7 202B 2 Detaching the Copyboard 1 Move the copyboard q to the left until it stops and remove the screws w M3X6 white e M4X10 black Figure 7 203B ...

Page 122: ...HAPTER 7 EXTERNALS AUXILIARY MECHANISMS 2 Move the copyboard to the right by hand and remove the screw M4X10 black r then detach the copyboard t Figure 7 204B Note 1 Do not disassemble the rail 2 To attach the copyboard fit the copyboard glass into the rail at the front and screw the rear rail portion in place ...

Page 123: ...ing the DC Controller DC Power Supply PCB 1 Detach the body cover 2 Remove the drive release arm q 3 Remove the screw w and discon nect the two connectors e 4 Disconnect the four fastons r 5 Detach the bottom cover Figure 7 201C Á Â À Â Ã Ã 6 Hold the flat cable t with both hands and detach them from the connector by lifting them straight up 7 Disconnect the connector y Figure 7 202C front Ä Å ...

Page 124: ...C controller DC power supply PCB has high voltage contacts and pick up sensor lever take extra care not to damage the parts when detaching the PCB Figure 7 203C Figure 7 204C 10 11 9 Remove the screw M4X8 yellow o and disengage the hook 0 then detach the DC controller DC power supply PCB 1 Caution When attaching the DC controller DC power supply PCB make sure that lead wires are not bitten or shor...

Page 125: ...NALS AUXILIARY MECHANISMS 7 13 Figure 7 205C Fastons white harness Fastons black harness Fastons gray harness Door switch 2 Points to Note When Installing the Delivery Door Switch Caution When inserting the fastons into the door switch make sure that the correct fastons are connected as identified by color Figure 7 205C ...

Page 126: ...er 2 Disconnect the three connectors q 3 Hold the flat cable w with both hands and detach them from the connector by lifting them straight up 4 Disengage the hook e and detach the control panel PCB r by pulling it up COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 7 14 CHAPTER 7 EXTERNALS AUXILIARY MECHANISMS Figure 7 201D ...

Page 127: ...ING THE MACHINE 8 5 The product is carefully adjusted and strictly inspected before it leaves the factory therefore proper installation is very important in maintaining its out of factory performance Make sure that all the conditions discussed in this chapter are satisfied before installation and carry out all necessary inspections after installation This chapter outlines how to install the machin...

Page 129: ...ng terminal The temperature and humidity of the site must be 7 5 to 32 5 C 45 5 to 90 5 F and 5 to 85 respectively Avoid areas near water faucets water boilers humidifiers or refrigerators Avoid areas near open fires and areas subjected to dust ammonium gas or sunlight If necessary provide curtains The site must be well ventilated The floor must be level ensuring all copier s feet will remain in c...

Page 130: ... Take out the accessories 2 Make sure that the Operator s Manual is in the box Remove the cover bag from the copier and detach all strips of tape that hold parts 3 Check the covers for damage and deformation caused during transit Slide out the manual feed tray Slide out the delivery tray Move the copyboard to the left until it stops and press the open close button to open the copier s top cover 4 ...

Page 131: ...lace the cartridge on a level place then detach the tip of the seal and pull it fully out about 50 cm 8 Hold the cartridge with its Warning label facing left and slide in the cartridge slowly until it stops 9 Close the top cover and return it to the center 10 Hold the cartridge with its Warning label facing up and rotate it in both directions about 90 7 ...

Page 132: ... goes ON on the display PC420 430 FC220 Check that 1 goes ON on the display PC420 430 FC220 Check the Main indicator goes ON PC400 FC200 Check the movement of the copy density lever dial Set the Test Sheet on the copyboard and make copies make sure that copies are made properly 12 Make sure no abnormal noise is heard Make sure that copies are made in the specified number properly PC420 430 FC220 C...

Page 133: ...truck or other means of transportation perform the following Step Work Remarks Switch the machine OFF and disconnect the power plug 1 Checks Take out the cartridge and fold the copy tray and pick up tray 2 Put the cartridge in its storage box and place it to protect against vibration Tape the top cover in place 3 Place a sheet of A4 LTR paper on the copyboard and tape the copyboard in place 4 ...

Page 135: ...CHAPTER 9 MAINTENANCE AND SERVICING I PERIODICALLY REPLACED PARTS 9 1 II DURABLES 9 1 III PERIODICAL SERVICING 9 1 IV NOTES ABOUT CARTRIDGE 9 2 A Storing Sealed Cartridges 9 2 B Storing and Handling Unsealed Cartridges 9 3 This chapter outlines the machine s maintenance parts and how to make various checks ...

Page 137: ...TER 9 MAINTENANCE AND SERVICING 9 1 I PERIODICALLY REPLACED PARTS The machine does not have parts which must be replaced on a periodical basis II DURABLES The machine does not have parts which are classified as durables III PERIODICAL SERVICING The machine does not have parts that require periodical servicing ...

Page 138: ...ng the cartridge in a warehouse or workshop make sure the place is controlled to the specifications shown in Table 9 401A a Avoid direct rays of the sun b Avoid areas subjected to appreciable vibration c Do not drop or subject it to impact Normal 9 10 of period 0 to 35 C 32 to 95 F 35 to 40 C 95 to 104 F 20 to 0 C 4 to 32 F High Low Severe 1 10 of period Temperature Temperature fluctuations within...

Page 139: ...rays of the sun Do not keep it in a car even in a protective box the inside may become extremely hot b Avoid areas of high or low temperature humidity and areas where these factors tend to change rapidly for example near air conditioners or heaters c Avoid areas where dust ammonium gas or gases from organic solvents tend to accumulate d Keep the cartridge in a place 40 C 104 F or less 2 Handling t...

Page 140: ...98 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 9 4 CHAPTER 9 MAINTENANCE AND SERVICING b Do not place the cartridge upright or upside down do not shake it Figure 9 402B ...

Page 141: ...pies with white spots or vertical lines Leave the copier alone for some time for possible recovery to avoid residual memory which results in white spots or vertical lines however keep the following in mind Caution Work quickly when removing jams or replacing cartridges When the cartridge must be removed for work be sure to put the cartridge in its storage box or cover it do not leave it without pr...

Page 143: ... 16 C Troubleshooting by Image Fault 10 17 IV TROUBLESHOOTING MALFUNCTIONS 10 24 A Troubleshooting Malfunctions 10 24 V TROUBLESHOOTING PAPER FEED PROBLEMS 10 30 A Copy Paper Jams 10 30 B Feeding Faults 10 33 VI FUNCTIONS AND ARRANGEMENT OF ELECTRICAL PARTS 10 34 A Sensors and Solenoids 10 34 B Switches 10 35 C Lamp Heater Motor and Others 10 36 D Printed Circuit Board PCB 10 37 E Variable Resisto...

Page 145: ...closed firmly or the main power supply is absent If you want to find out the action to take or the steps to correct a specific problem go through the steps in order Answer YES or NO to the questions under Checks and take the action indicated accordingly Cause Step YES NO Checks Action Power plug 1 2 3 4 NO NO NO YES Is the power plug connected to the power outlet Covers Power Supply Are the front ...

Page 146: ...109 2 on the DC controller PCB Connect the positive probe of the meter to the terminal marked and the negative probe to the terminal marked Connect the power plug Close the door or the cover The problem is not of the copier Advise the user 1 Steps Checks Omitted Action YES NO NO YES YES YES 2 NO 3 NO Is the power plug connected to the power outlet Are the front door and the delivery cover closed f...

Page 147: ...o 1 see Note 3 4 Fogging in white area see Note 3 Set the switch to the middle Clean the parts Is the problem corrected by the density correction switch Is optimum density obtained by adjusting the intensity of light See Is gray scale No 9 barely noted See Note 2 Check the following 1 Cartridge 2 Scanning lamp unit 3 DC controller DC power supply PCB see Troubleshooting by Image Fault End End NO Y...

Page 148: ...r Cleaning Do not use water or solvent Take care not to touch the roller or leave oil Cartridge Transfer charging roller Parts Tools Solvents Remarks Inlet guide Solvent Fixing assembly Parts Tools Solvents Remarks Lens array Cotton wad Do not use the wire cleaner meant for conventional machines Optical assembly Scanning lamp Blower brush Parts Tools Solvents Remarks Intensity AE sensor Blower bru...

Page 149: ...ion of the white paint found behind the copyboard glass Figure 10 202A 2 Image Leading Edge Margin point of detection for registration The leading edge margin must be 0 2 to 5 0 mm when the Test Sheet is copied To adjust move the position of the registration cam Figure 10 203A II STANDARDS AND ADJUSTMENTS A Mechanical 1 Image Leading Edge Non Image Width position of white paint on back of glass Th...

Page 150: ...Disconnect the power plug and detach the faulty control panel PCB 2 Set the meter to the 200 k range and measure C between the terminal of VR604 and the terminal of R614 on the detached control panel PCB see Figure 10 201B 3 Likewise measure C between the terminal of VR604 and the terminal of R614 on the new control PCB then turn VR604 so that the reading is the same as the measurement taken in st...

Page 151: ... to the copier 2 De select AE and set the copy density control lever dial to the center 3 Set the density correction switch SW606 to the center PC420 430 FC220 4 Set the Test Sheet NA3 NB3 NA2 and make a copy 5 Check if the copy is free of fogging and gray scale No 9 No 10 if NB3 is some what visible If too dark Turn VR604 on the control panel PCB clockwise slightly to increase the intensity If to...

Page 152: ...newspaper whose text consists of fine print do not use a section with photos or large characters Make sure you have adjusted light intensity 1 Switch the copier OFF 2 Detach the control panel cover 3 Turn VR602 and VR603 on the control panel PCB fully clockwise 4 Place a newspaper over the AE light receiving section of the copyboard and close the copyboard cover Figure 10 203B AE light receiving s...

Page 153: ...g the jumper wires 8 Set the digital multimeter to the 20V DC range and turn VR602 AE offset adjust ment until the voltage between the anode side of the diode D606 and JP607 GND is 4 0 0 1 V Notes You must use a Digital Multimeter when making adjustments in steps 8 and 10 JP607 JP605 JP604 Screwdriver Control panel PCB 5 Short the three jumper wires JP604 JP605 JP607 on the control panel PCB at th...

Page 154: ...5B 11 Switch the copier OFF Notes Make sure that the jumping wires are no longer shorted 12 Switch the copier ON once again 13 Set the density correction switch SW606 to the center of the three settings 14 Make sure that the AE indicator is ON 15 Set the newspaper used in step 4 on the copyboard once again this time move the newspaper to a different area 16 Make a copy and make sure that it is not...

Page 155: ...as d Avoid direct rays of the sun otherwise provide curtains e Make sure the site is well ventilated f Make sure the floor is level Check the site to see if it meets the above requirements 2 Checking the Documents You must first check to see if a particular problem may not be due to the document used a The copy density reading should be 5 5 1 5 black 4 5 1 5 color b Some backgrounds i e yellow sha...

Page 156: ...ing a cotton wad 5 Checking the Transfer Charging Roller Check the transfer charging roller for scratches or other abnormalities 6 Checking the Feeding Assembly Check the feeding assembly for dirt If dirt is found clean it with a moist cloth 7 Checking the Copy Paper a Check to see if paper of a type recommended by Canon is used b Check to make sure that the paper is not moist Try paper fresh out ...

Page 157: ...1 Take out the cartridge from the copier and rotate it several times Figure 10 302A 2 Set the cartridge back into the copier and make copies a If the copies are normal The user may use the cartridge for some time more however advise the user to procure a replacement cartridge b If the copies fail to return to normal Replace the cartridge as described in Replacing the Cartridge ...

Page 158: ... images b When too cold the photosensitive drum assumes a high electrical resistance resulting in poor contrast c Condensation in the pick up feeding assembly can cause faulty paper transport d Condensation in the lower roller of the manual pick up mechanism decreases friction leading to pick up failure e Condensation on the copyboard hinders its smooth movement When condensation is noted dry wipe...

Page 161: ...dle of operation then open the top cover Is the toner image on the pho tosensitive drum more or less normal before transfer Be sure to check quickly to protect the drum against light NO Go to step 5 Transfer charging roller 3 Is the transfer charging roller normal NO 1 Re attach the charging roller 2 Replace the charging roller Copy paper 4 Try paper fresh out of package Is the copy density higher...

Page 162: ...ddle of operation then open the top cover Does the toner image on the photosensitive drum before transfer have uneven density YES 1 Replace the cartridge 2 Replace the scanning lamp unit Transfer charging roller NO Check the transfer charg ing roller Cause Step Checks YES NO Remedies Scanner 1 Clean the scanning lamp reflecting plate and lens Is the problem corrected YES End Scanning lamp Developi...

Page 163: ...ted YES End Cartridge 2 Take out the cartridge and put it back in Is the problem corrected YES End NO Replace the cartridge Cause Step Checks YES NO Remedies Fixing assembly 1 Press the Copy Start key and switch the copier OFF in the middle of operation then open the top cover Does the copy image have white spots or white lines before fixing NO Check the fixing assembly Cartridge 2 Rotate the cart...

Page 164: ... YES Check the copyboard rail for foreign matter Copyboard rail Check the scanning lamp for flickering and check the presence absence of a developing bias Scanning lamp Developing bias NO 13 The back of the copy is soiled Cause Step Checks YES NO Remedies Transfer charging assembly 1 Press the Copy Start key and switch the copier OFF while the copy paper is moving through the feeding assembly Is t...

Page 165: ...heck the ther mistor and DC controller DC power supply PCB Fixing heater NO See The fixing heater fails to operate 15 The copy has faulty leading edge registration blank area much too wide 16 The copy has faulty leading edge registration blank area too wide 17 The copy has faulty leading edge registration no blank area Cause Step Checks YES NO Remedies Registration cam 1 Move the registration cam ...

Page 166: ...ge Cause Step Checks YES NO Remedies Scanning lamp 1 Does the scanning lamp flicker YES Replace the scanning lamp unit Cartridge 2 Replace the cartridge Is the problem corrected YES End High voltage transformer Check the high voltage transformer DC controller DC power supply PCB NO Cause Step Checks YES NO Remedies Document 1 Does the copy have an image which is too light at the same time YES Corr...

Page 167: ...ake adjustments so that the shutter opens smoothly Drum drive assembly 5 Is the drum drive gear rotating normally NO Check the drum drive assembly High voltage transformer 6 Are the primary charging terminal at the front left of the cartridge and the high voltage terminal at the bottom of the copier in firm contact YES Check the high voltage transformer DC controller DC power supply PCB Terminals ...

Page 168: ...C range and wait until the fixing heater is sufficiently cool Measure the voltage between J603 1 and J603 2 Is it about 3 2 V or more NO Check the wiring from the DC controller DC power supply PCB to the ther mistor TH1 if normal replace the fixing assem bly 2 Does the fixing heater operate normally NO See The fixing heater fails to operate DC controller DC power supply PCB 3 Switch the copier ON ...

Page 169: ...DC power supply PCB 3 Does the copyboard move in reverse after copying operation has started and move forward after it has reached the copy board start position YES Replace the DC con troller DC power supply PCB Copyboard drive assembly Copyboard glass assembly NO 1 Check the copyboard position sensor Q902 2 Try replacing the copy board drive assembly 3 Check the start position cam and reversal ca...

Page 170: ...ch is turned ON and does the power turn OFF thereafter YES See E0 Top cover Delivery assembly cover 3 Are the top cover and delivery assembly cover closed properly NO Close the top cover and delivery assembly cover Power supply voltage 4 Is the rated voltage present at the power outlet NO Advise the user that the problem is not of the copier Door switch 5 Is the door switch SW1 SW2 normal Replace ...

Page 171: ... up solenoid SL1 PC420 430 FC220 Registration solenoid SL1 PC400 FC200 4 Set the meter to the 30VDC range Does the voltage between J201 6 and J201 7 on the DC controller DC power supply PCB change to about 24 V at pick up timing YES Check the spring clutch in the registration assembly and pick up assembly if normal replace the solenoid DC controller DC power supply PCB NO Check the wiring from the...

Page 172: ...ntroller DC power supply PCB if normal replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Main motor M1 1 Is the main motor rotating NO See The main motor fails to rotate Copyboard Copyboard drive assembly 2 Push the copyboard by hand Does it move smoothly NO Check the copyboard and copyboard drive assembly DC controller DC power supply PCB 3 Set the meter to the 200 Ω...

Page 173: ...NO Check the wiring from the control panel PCB to the DC controller DC power supply PCB if normal replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Control panel PCB 1 Replace the control panel PCB Does the indicator go ON YES End DC controller DC power supply PCB NO Replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Heater H1 Thermal fuse...

Page 174: ...HAPTER 10 TROUBLESHOOTING V TROUBLESHOOTING PAPER FEED PROBLEMS A Copy Paper Jams Jams can be classified according to location within the copier q Pick up assembly w Separation feeding assembly e Fixing delivery assembly The discussions that follow are organized with reference to these assemblies Figure 10 501A ...

Page 175: ...the pick up guide plate Pick up roller 5 Is the pick up roller deformed or worn YES Replace the pick up roller Spring for pick up control Spring clutch PC420 430 FC220 NO 1 Check the spring 2 Check the spring clutch Cause Step Checks YES NO Remedies Copy paper 1 Try paper of a type recom mended by Canon Is the problem corrected YES Advise the user to use recommended paper 2 Is the copy paper curle...

Page 176: ...and the document matched correctly NO Check the separation feeding assembly Fixing assembly inlet guide 2 Is the inlet guide soiled with foreign matter or toner Clean it YES Delivery sensor lever 3 Does the delivery sensor lever move smoothly Correct it so that the lever moves smoothly NO Delivery roller assembly 4 Is the delivery sensor Q801 PCB normal Check the delivery roller assembly YES Deliv...

Page 177: ...medies Pick up assembly Registration roller 1 Switch the copier OFF while the copy paper is moving through the feeding assembly Is the paper wrinkled at the time Or is it moving askew YES Check the pick up assem bly Check the registration roller Copy paper 2 Try paper fresh out of package Is the problem corrected YES The paper may be moist advise the user on the correct method of storage Also advi...

Page 178: ...RTS A Sensors and Solenoids Figure 10 601A Q902 SL2 Q901 Q801 Q131 PD601 PD602 SL1 Symbol Name Notation Description Photointerrupter Photodiode Solenoid Q131 Q801 Q901 Q902 PD601 PD602 SL1 SL2 Pick up assembly paper sensor Delivery assembly paper sensor Motor rotation sensor Copyboard position sensor Intensity sensor AE sensor Pick up registration solenoid Copyboard drive solenoid ...

Page 179: ...998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 10 TROUBLESHOOTING 10 35 Figure 10 601B SW2 SW604 SW606 SW1 Symbol Name Notation Description Switch Switch SW1 SW2 SW604 SW606 Top cover switch Delivery assembly door switch Power switch Density 3 setting switch B Switches ...

Page 180: ...PRIME AU JAPON 10 36 CHAPTER 10 TROUBLESHOOTING Figure 10 601C M1 FU2 TH1 H1 Symbol Name Notation Description Heater Motor Thermistor Thermal fuse H1 M1 TH1 FU2 Fixing heater Main motor Fixing heater temperature detection Fixing heater overheating detection M C Lamp Heater Motor and Others ...

Page 181: ...tion DC controller DC power supply PCB Control panel PCB Scanning lamp PCB Delivery sensor PCB Motor rotation sensor PCB Copyboard position sensor PCB Controls sequence supplies DC power controls scanning lamp ON Controls displays copying operation Scanning lamp LA1 LA8 Detects delivery Detects main motor rotation Detects copyboard position D Printed Circuit Board PCB ...

Page 182: ...o in parentheses refers to the PC400 FC200 E Variable Resistors VR and Check Pins by PCB Of the variable resistors VR and check pins used in the copier those used in the field are discussed herein Do not touch those VRs and check pins not discussed herein they are for factory use only and require special tools and high precision for adjustment Note 1 VRs that may be used in the field 2 VRs that mu...

Page 183: ...e it to adjust the AE offset use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel PCB VR603 Use it to adjust the AE gain use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel PCB VR604 Use it to adjust the light intensity use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel ...

Page 184: ...Note If an error associated with E0 is detected is displayed PC420 430 FC220 or the Jam indicator PC400 FC200 remains ON for about 0 5 sec thereafter the power goes out Code Cause Description Thermistor TH1 faulty Fixing heater H1 faulty DC controller DC power supply faulty The temperature of the fixing heater is 215 C or more The temperature of the fixing heater does not reach 80 C within 2 5 sec...

Page 185: ...Copyboard position sensor PCB Q902 faulty DC controller DC power supply PCB faulty The copyboard position sensor Q902 goes ON when copying operation starts The copyboard position sensor Q902 is ON 0 8 sec after copying operation has started The copyboard position sensor Q902 does not go ON within 5 5 sec after copying operation has started The copyboard does not reach the start position within a s...

Page 187: ...NON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 1 APPENDIX A GENERAL TIMING CHART A 1 B SIGNALS ABBREVIATIONS LISTA 3 C GENERAL CIRCUIT DIAGRAM A 5 D SPECIAL TOOLS TABLE A 7 E SOLVENTS OILS TABLE A 8 ...

Page 188: ...tion sensor Q902 Copyboard drive solenoid SL2 Scanning lamp LA1 LA8 Fixing heater H1 Primary AC bias Primary DC bias Developing AC bias Developing DC bias Transfer Pick up sensor Q131 Registration solenoid SL1 Sequence Copyboard STBY INTR CBRV STOP CBFW CBRV COPY CBRV LSTR STOP STBY Power switch ON Copy paper inserted Copy paper inserted 240V 625V 400V 130 to 550V Cleaning mode Measurement mode 1 ...

Page 189: ... Power switch ON Copy paper inserted 240V 625V 400V 120 to 560V Cleaning mode Measurement mode 1 sec CBFW 13 Main motor M1 Document position sensor Q902 Copyboard drive solenoid SL2 Scanning lamp LA1 LA8 Fixing heater H1 Primary AC bias Primary DC bias Developing AC bias Developing DC bias Transfer Pick up sensor Q131 Pick up solenoid SL1 Delivery sensor Q801 PC420 430 FC220 General Timing Chart A...

Page 190: ...ROL COMMAND DGT0 OSCILLATION SIGNAL 0 DGT1 OSCILLATION SIGNAL 1 DGT2 OSCILLATION SIGNAL 2 HTRD FIXING HEATER DRIVE COMMAND HVPAC PRIMARY AC BIAS ON COMMAND HVPDC PRIMARY DC BIAS ON COMMAND HVPHO PRIMARY DC BIAS HIGH OUTPUT COMMAND HVTDC TRANSFER DC BIAS ON COMMAND KEYR0 RETURN SIGNAL 0 KEYR1 RETURN SIGNAL 1 LAPWM LAMP DRIVE COMMAND LID LAMP INTENSITY DETECTION SIGNAL MMCLK MAIN MOTOR CLOCK PULSE S...

Page 191: ...CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON A 4 APPENDIX 2 Abbreviations INTR INITIAL ROTATION LSTR LAST ROTATION CBFW COPYBOARD FORWARD CBRV COPYBOARD REVERSE STBY STANDBY ...

Page 192: ... 1 1 3 GND TH1 DGT1 LEG KEYRO 2 NC J102 J103 J907 Intensity sensor Main motor Delivery sensor N C N C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J202 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GND 5V DGT2 DGT0 GND SEG2 S_CHECK DGT1 PWSON VR KEYR0 TH1 LID S_CLK S_OUT S_IN 24V J601 HOT J1 RETURN 120 230V J8 Thermal fuse 2 FU2 Fixing heater H1 TH1 Fixing heater temperature sensor Control panel PCB Regi...

Page 193: ... 13 14 15 16 17 18 19 20 21 22 J907F 1 2 3 4 5 Q801 J801 1 2 3 1 2 3 4 J603P J621P AE sensor Intensity sensor J621F J603F Control panel PCB DC controller DC power supply PCB Scannig lamp PCB Door switch Delivery door switch 1 2 3 1 2 3 1 3 GND 5V DGT2 DGT0 GND SEG2 S_CHECK DGT1 PWSON VR KEYR0 TH1 LID S_CLK S_OUT S_IN 24V SEG0 AE SEG1 KEYR2 KEYR3 GND TH1 DGT1 LEG KEYRO 2 NC J102 J103 J907 Main moto...

Page 194: ...ols used for servicing the machine in addition to the standard tools set The tools are categorized as follows A tools that must be carried by each service person B tools that must be carried by a group of about five service persons C tools that must be kept by each workshop No Tool name Tool Number Shape Category Remarks 1 Digital multimeter CK 0552 B For adjusting the AE mechanism ...

Page 195: ... Surface active agent Do not bring near fire Procure locally Isopropyl alcohol may be substituted 2 Solvent Cleaning e g metal oil or toner dirt Hydrocarbon fluorine chlorine family Alcohol Do not bring near fire Procure locally 3 Heat resisting grease Lubricating drive assemblies Lithium soap mineral oil family Molybdenum bisulfate CK 0427 500 g can 4 Lubricating oil Mineral oil paraffin family C...

Page 196: ...by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC Printed in Japan REVISION 0 JAN 1998 23715 5 1 Hakusan 7 chome Toride shi Ibaraki 302 Japan ...

Page 197: ...PRINTED IN JAPAN IMPRIME AU JAPON 0198M2 01 1 This publication is printed on 70 reprocessed paper ...

Page 199: ...of the information pertaining to each item Be sure to include in the Parts Request the full item description the item part number and the quantity Canon Inc Office Imaging Products Technical Support Dept 1 Office Imaging Products Technical Support Div 5 1 Hakusan 7 chome Toride shi Ibaraki 302 Japan COPYRIGHT 1998 CANON INC Printed in Japan Imprimé au Japon COPYRIGHT 1998 CANON INC CANON FC220 PC4...

Page 200: ...20 120V 60Hz 120V 60Hz F13 5031 F13 5033 ZTJ00001 ZTK00001 WHITE GRAY PC430 120V 60Hz F13 5032 ZTL00001 WHITE FC200 100V 50 60Hz 100V 50 60Hz 220 240V 50Hz 220 240V 50Hz 220V 50Hz F13 4811 F13 4813 F13 4841 F13 4843 F13 4851 LTM00001 LTG00001 PTQ00001 RTL00001 UTP00001 UTQ00001 PTV00001 WHITE GRAY WHITE WHITE GRAY GRAY WHITE PC400 120V 60Hz 120V 60Hz F13 4831 F13 4833 ZTG00001 ZTH00001 WHITE GRAY ...

Page 201: ...SEMBLY FC200 PC400 160 COPYBOARD COVER ASSEMBLY FC220 PC420 FC200 PC400 161 COPYBOARD COVER ASSEMBLY PC430 240 COPYBOARD DRIVE ASSEMBLY 320 REGISTRATION ROLLER ASSEMBLY 340 PAPER PICK UP ROLLER ASSEMBLY FC220 PC420 PC430 370 DELIVERY COVER ASSEMBLY 810 FIXING ASSEMBLY 910 DC CONT DC POWER SUPPLY PCB ASSEMBLY B LIST OF CONNECTORS C LIST OF STANDARD FASTENERS D NUMERICAL INDEX COPYRIGHT 1998 CANON I...

Page 202: ...70 PAPER PICK UP ROLLER ASSEMBLY FC220 PC420 430 340 COPYBOARD DRIVE ASSEMBLY 240 160 DC CONT DC POWER SUPPLY PCB ASSEMBLY 910 COPYBOARD COVER ASSEMBLY 161 130A FIGURE A ASSEMBLY LOCATION DIAGRAM COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON A 1 ...

Page 203: ...16 8 13 11 10 9 SEE FIGURE130 FC220 100V FC220 100V 15 7 6 FIGURE 100 FC220 PC420 PC430 EXTERNAL COVERS PANELS ETC COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 100 1 ...

Page 204: ...E FB4 0371 000 1 LABEL DENSITY ADJUSTMENT FC220 100V GRAY 7 FB4 0058 000 1 LABEL CONTROL PANEL 2 FC220 100V WHITE FB4 0368 000 1 LABEL CONTROL PANEL 2 FC220 100V GRAY 8 FB4 0287 000 1 DIAL DENSITY CONTROL WHITE FB4 0288 000 1 DIAL DENSITY CONTROL GRAY 9 FB4 0307 000 1 GUIDE MANUAL PAPER FEED F 1 0 FB4 0308 000 1 GUIDE MANUAL PAPER FEED R 1 1 FB4 0327 000 1 TRAY PAPER DELIVERY FC220 PC420 WHITE FB4...

Page 205: ...PER COVER UNIT FC220 115V WHITE PC420 120V WHITE FG5 9545 000 1 UPPER COVER UNIT FC220 220 240V WHITE FG5 9549 000 1 UPPER COVER UNIT FC220 220 240V GRAY FG5 9550 000 1 UPPER COVER UNIT PC420 120V GRAY FG5 9547 000 1 UPPER COVER UNIT PC430 120V WHITE 1 7 FS5 2355 000 1 SPRING COMPRESSION 5 0 1 XB4 7401 209 1 SCREW TAPPING TRUSS HEAD M4X12 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 ...

Page 206: ... 2 SEE FIGURE 130A UTP UTQ ZTH ZTG FC200 100V 5 11 8 9 7 FIGURE 100A FC200 PC400 EXTERNAL COVERS PANELS ETC COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 100A 1 ...

Page 207: ...L FC200 100V GRAY 8 FB4 0328 000 1 TRAY PAPER DELIVERY UTP UTQ ZTH FB4 0327 000 1 TRAY PAPER DELIVERY ZTG 9 FB4 0331 000 1 TRAY SUB UTP UTQ ZTH FB4 0330 000 1 TRAY SUB ZTG 1 0 FB4 0352 000 1 KEY TOP MAIN SWITCH 1 1 FG5 9486 000 1 UPPER COVER UNIT FC200 100V WHITE FG5 9489 000 1 UPPER COVER UNIT FC200 100V GRAY FG5 9487 000 1 UPPER COVER UNIT FC200 220 240V WHITE FG5 9490 000 1 UPPER COVER UNIT FC2...

Page 208: ...23 1 1 14 8 7 16A 3 21 21 15A 15 15A 15B 12 9 10 2 4 J906 J621 FC220 PC420 430 J621 FC220 PC420 430 FC220 PC420 430 13 FIGURE 101 UPPER MAIN BODY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 101 1 ...

Page 209: ...I REFLECTIVE RIGHT 1 3 FB4 0361 000 1 LABEL JAM EXCEPT CHINESE EXCEPT KOREAN FB4 0369 000 1 LABEL JAM CHINESE FC2 9144 000 1 LABEL JAM KOREAN 1 4 FF2 9929 000 1 CABLE AE SENSOR FC220 PC420 430 J621 FF2 9930 000 1 CABLE AE SENSOR FC200 PC400 J621 1 5 FF5 3676 000 1 FIBER OPTIC LENS ARRAY 1 5 A FB1 7380 000 2 SEAL LIGHT SHIELD 1 5 B FB2 9699 000 1 FILTER AIR 1 6 FF5 6415 000 1 COVER UPPER BODY FC220...

Page 210: ...00 2 0 FS5 2337 000 1 SPRING COMPRESSION 2 1 FS5 2358 000 2 SPRING COMPRESSION FC220 PC420 430 2 2 FS5 2359 000 1 SPRING COMPRESSION 2 3 FS6 2168 000 1 SPRING COMPRESSION 2 4 WG3 0055 000 1 PHOTO DIODE BS520 FC220 PC420 430 2 5 WG3 0055 000 1 PHOTO DIODE BS520 5 0 1 XB4 7300 509 1 SCREW TAPPING TRUSS HEAD M3X5 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAP...

Page 211: ...T 115 120V 100V SW2 J909 J908 SEE FIGURE 810 J901 SL1 SEE FIGURE 320 SEE FIGURE 370 FC220 PC420 220V PTS 100V J904 502 12 504 15 11 25 507 508 31A 24 23 39 A 20 20 19 38 FIGURE 102 LOWER MAIN BODY FC220 PC420 PC430 1 2 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 102 1 ...

Page 212: ...06 SEE FIGURE 340 J603 J907 Q801 J801 100V J601 J202 SEE FIGURE 910 LED601 FC220 PC420 33A 33 1 36 30 A 30A 26 2 FIGURE 102 LOWER MAIN BODY FC220 PC420 PC430 2 2 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 102 2 ...

Page 213: ...AY 1 2 FB2 9572 000 1 PLATE TRANSFER TERMINAL 1 3 FB2 9573 000 1 SHEET REGISTRATION 1 4 FB2 9574 000 1 GUIDE TRANSFER LOWER 1 5 FB2 9575 000 1 PLATE CONTINUITY 1 6 FB2 9589 000 1 BUSHING 1 7 FB2 9622 020 1 HOLDER DOOR SWITCH 1 8 FB2 9641 000 1 BELT FAN 1 9 FB4 0048 000 1 PLATE DOOR SWITCH LINK 2 2 0 FB4 0055 000 2 SPRING COMPRESSION 2 1 FB4 0301 000 1 KEY TOP DENSITY CORRECTION 2 2 FF2 7829 000 1 ...

Page 214: ...000 1 CONTROL PANEL PCB UNIT 3 3 A FH6 3815 000 1 LED 7 SEGMENT LED601 3 4 FH2 5274 000 1 CORD POWER SUPPLY 220V PTR UTR PTT 3 5 FH2 5276 030 1 CORD POWER SUPPLY 240V RTM 3 6 FH2 6223 000 1 CABLE FLAT J202 601 3 7 FH2 6427 000 1 CORD POWER SUPPLY 100V 3 8 FH2 6488 000 1 CORD POWER 220V PTS 3 9 FH9 0492 000 1 SOLENOID DC24V SL1 J901 4 0 FS5 0436 000 1 GEAR 29T 34T 38T 4 1 FS5 0437 000 1 GEAR 22T 4 ...

Page 215: ... 2 6X6 5 0 4 XB4 7300 509 1 SCREW TAPPING TRUSS HEAD M3X5 5 0 5 XB4 7300 809 1 SCREW TAPPING TRUSS HEAD M3X8 5 0 6 XB4 7400 805 5 SCREW TAPPING TRUSS HEAD M4X8 5 0 7 XB4 7401 009 2 SCREW TAPPING TRUSS HEAD M4X10 5 0 8 XB4 7401 009 4 SCREW TAPPING TRUSS HEAD M4X10 5 0 9 XB6 7300 409 1 SCREW TP M3X4 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU...

Page 216: ...00V 120 220 240V SW2 J909 SEE FIGURE 810 Q901 SEE FIGURE 240 SEE FIGURE 320 J908 SEE FIGURE 370 220V PTV J904 100V 25 24 507 11 22 30A 17 20 38 18 18 21 A 37 FIGURE 102A LOWER MAIN BODY FC200 PC400 1 2 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 102A 1 ...

Page 217: ...9 J603 J907 100V J601 J202 Q801 J801 SEE FIGURE 910 LED602 LED601 29A 1 32 35 505 26 32B 32A A 2 FIGURE 102A LOWER MAIN BODY FC200 PC400 2 2 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 102A 2 ...

Page 218: ...INAL 1 3 FB2 9574 000 1 GUIDE TRANSFER LOWER 1 4 FB2 9575 000 1 PLATE CONTINUITY 1 5 FB2 9622 020 1 HOLDER DOOR SWITCH 1 6 FB2 9641 000 1 BELT FAN 1 7 FB4 0048 000 1 PLATE DOOR SWITCH LINK 2 1 8 FB4 0055 000 2 SPRING COMPRESSION 1 9 FB4 0240 000 1 TRAY MANUAL PAPER FEED 100V WHITE FB4 0241 000 1 TRAY MANUAL PAPER FEED 100V GRAY FB4 0242 000 1 TRAY MANUAL PAPER FEED 120 220 240V WHITE FB4 0243 000 ...

Page 219: ...1 LED SLA 380LT3F LED602 3 2 B FH9 0536 000 1 LED SLA 380MT3F LED601 3 3 FH2 5274 000 1 CORD POWER SUPPLY 220V PTQ UTP 3 4 FH2 5276 030 1 CORD POWER SUPPLY 240V RTL 3 5 FH2 6224 000 1 CABLE FLAT J202 601 3 6 FH2 6427 000 1 CORD POWER SUPPLY 100V 3 7 FH2 6488 000 1 CORD POWER 220V PTV 3 8 FS1 9102 000 1 SCREW STEPPED M3 3 9 FS5 0464 000 1 GEAR 27T 4 0 FS5 0465 000 2 GEAR 39T 4 1 RH2 5015 000 1 CORD...

Page 220: ...USS HEAD M3X8 5 0 5 XB4 7400 805 5 SCREW TAPPING TRUSS HEAD M4X8 5 0 6 XB4 7401 009 3 SCREW TAPPING TRUSS HEAD M4X10 5 0 7 XB4 7401 009 2 SCREW TAPPING TRUSS HEAD M4X10 5 0 8 XB6 7300 409 1 SCREW TP M3X4 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 102A 5 ...

Page 221: ...GRAY 1 FB4 0035 000 1 KEY TOP COPY 2 FB4 0036 000 1 KEY TOP PLUS 3 FB4 0037 000 1 KEY TOP CLEAR 4 FB4 0038 000 1 KEY TOP AE SETTING WHITE FB4 0318 000 1 KEY TOP AE SETTING GRAY 5 FB4 0039 000 1 PANEL CLEAR 6 FB4 0325 000 4 SPRING COMPRESSION FIGURE 130 FC220 PC420 PC430 CONTROL PANEL ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPO...

Page 222: ...0 PC400 GRAY 1 FB4 0257 000 1 PANEL CLEAR 2 FB4 0258 000 1 LEVER DENSITY CONTROL 1 WHITE FB4 0260 000 1 LEVER DENSITY CONTROL 1 GRAY 3 FB4 0259 000 1 LEVER DENSITY CONTROL 2 WHITE FB4 0261 000 1 LEVER DENSITY CONTROL 2 GRAY FIGURE 130A CONTROL PANEL ASSEMBLY FC200 PC400 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 130A 1 ...

Page 223: ...embly does not include the parts shown with key No 6 and 6A FIGURE 160 FC220 PC420 FC200 PC400 COPYBOARD COVER ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 160 1 ...

Page 224: ... RACK SUPPORT 3 FB4 0030 000 1 SHEET RACK GUIDE 4 FB4 0310 000 1 MOUNT RACK 5 FB4 0372 000 1 PLATE VERTICAL SIZE INDEX A4 A5 B5 B6 FB4 0373 000 1 PLATE VERTICAL SIZE INDEX A4 A5 B5 LTR STMT 6 FF5 6407 000 1 COVER COPYBOARD SEE NOTE WHITE FF5 6408 000 1 COVER COPYBOARD SEE NOTE GRAY 6 A FB1 7451 000 1 SHEET COPYBOARD SEE NOTE 7 FN1 4327 000 1 GLASS COPYBOARD 8 XA9 0762 000 3 SCREW RS M3X8 COPYRIGHT...

Page 225: ...ude the parts shown with key No 4 7 7A and 502 7 6 501 503 1 2 8 5 3 7A 502 4 FIGURE 161 COPYBOARD COVER ASSEMBLY PC430 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 161 1 ...

Page 226: ... 9728 000 1 RACK 6 FB2 9732 000 1 PLATE SIZE INDEX LTR STMT LGL A4 A5 7 FF5 6409 000 1 COVER COPYBOARD SEE NOTE PC430 7 A FB1 8870 000 1 SHEET COPYBOARD SEE NOTE PC430 8 FN1 4329 000 1 GLASS COPYBOARD 5 0 1 XB4 7300 609 1 SCREW TAPPING TRUSS HEAD M3X6 5 0 2 XB4 7300 609 1 SCREW TAPPING TRUSS HEAD M3X6 SEE NOTE PC430 5 0 3 XB5 2300 509 1 SCREW CT M3X5 COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 ...

Page 227: ...0 1 LINK REGISTRATION 2 4 FB4 0353 000 1 LINK REGISTRATION 4 5 FG5 4800 000 1 COPYBOARD POSITION SENSOR PCB J905 6 FS5 2347 000 1 SPRING TENSION 7 FS6 0355 000 2 GEAR 16T 8 FS6 2728 000 1 SPRING TENSION 5 0 1 XB1 2300 409 10 SCREW MACH TRUSS HEAD M3X4 5 0 2 XB6 7300 409 2 SCREW TP M3X4 FIGURE 240 COPYBOARD DRIVE ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRI...

Page 228: ... 7 2 16 1 A A NOTE This assembly does not include the parts shown with key No 1 9 13 and 15 12 FIGURE 320 REGISTRATION ROLLER ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 320 1 ...

Page 229: ...GIST ROLLER REAR 8 FB2 9599 000 1 DRUM CLUTCH 9 FB2 9600 000 1 ROLLER REGISTRATION UPPER SEE NOTE 1 0 FB4 0053 000 1 ARM PRESSURE RELEASE FRONT 1 1 FB4 0054 000 1 ARM PRESSURE RELEASE REAR 1 2 FB9 0001 000 2 RING E 1 3 FS5 2349 000 2 SPRING TENSION SEE NOTE 1 4 FS5 2351 000 1 SPRING CLUTCH 1 5 FS6 0345 000 1 GEAR 18T SEE NOTE 1 6 FS6 0347 000 1 GEAR 20T 5 0 1 XD1 1104 132 1 SHIM 5 0 2 XD3 2160 062...

Page 230: ...LY FC220 PC420 430 1 FB1 7303 000 1 ROLLER PAPER PICK UP 2 FB1 7305 000 1 GEAR 34T 3 FB1 7306 000 1 BUSHING 4 FB1 7307 000 1 BUSHING 5 FB1 7308 020 1 GEAR 34T FIGURE 340 FC220 PC420 PC430 PAPER PICK UP ROLLER ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 340 1 ...

Page 231: ... LABEL CAUTION HIGH TEMP SEE NOTE JAPANESE ENGLISH FRENCH FB4 0365 000 1 LABEL CAUTION HIGH TEMP SEE NOTE GERMAN SPANISH ITALIAN FB4 0370 000 1 LABEL CAUTION HIGH TEMP SEE NOTE CHINESE FC2 5845 000 1 LABEL CAUTION HIGH TEMP SEE NOTE KOREAN 3 FB4 0309 000 1 LEVER RELEASE 4 FS5 2796 000 3 SPRING TENSION 5 FS6 2169 000 1 SPRING TENSION FIGURE 370 DELIVERY COVER ASSEMBLY COPYRIGHT 1998 CANON INC CANON...

Page 232: ...20 21 22 11 19 26 9 3 13 28 25 18 28 25 29 15 503 5 NOTE This assembly does not include the part shown with key No 27 27 6 FIGURE 810 FIXING ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 810 1 ...

Page 233: ... 9614 000 1 ARM DRIVE RELEASE 1 0 FB2 9616 000 1 PULLEY FAN 1 1 FB2 9617 000 1 BUSHING 1 2 FB2 9625 000 2 CLAW SEPARATION 1 3 FB2 9627 000 1 SHEET WIND BLOCK 1 4 FB2 9653 000 1 LABEL CAUTION HIGH TEMP JAPANESE ENGLISH FRENCH FB4 0365 000 1 LABEL CAUTION HIGH TEMP GERMAN SPANISH ITALIAN FC2 5845 000 1 LABEL CAUTION HIGH TEMP KOREAN FB4 0370 000 1 LABEL CAUTION HIGH TEMP CHINESE 1 5 FB4 0049 000 1 S...

Page 234: ...7 000 2 PIN 2 6 RB1 3090 000 2 BUSHING PRESSURE ROLLER 2 7 RH2 5336 000 1 CONNECTOR DC SEE NOTE J907 2 8 RS5 2223 000 2 SPRING PRESSURE 2 9 XA9 0233 000 1 SCREW W WASHER M3X6 5 0 1 XB1 2300 409 5 SCREW MACH TRUSS HEAD M3X4 5 0 2 XD1 1106 239 1 SHIM 5 0 3 XD2 1100 322 2 RING E 5 0 4 XD2 1100 502 1 RING E COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPR...

Page 235: ... J908 FU102 FU101 NOTE This assembly does not include the part shown with key No 6 6 FIGURE 910 DC CONT DC POWER SUPPLY PCB ASSEMBLY COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 910 1 ...

Page 236: ...7 FF2 7814 000 1 CABLE TRANSFER CONTINUITY F U1 0 1 VD7 0042 501 1 FUSE 250V 2 5A 100 115 120V VD7 0641 601 1 FUSE 250V 1 6A 220 240V F U1 0 2 VD7 0211 002 1 FUSE 125V 10A 100 115 120V VD7 0645 001 1 FUSE 250V 5A 220 240V J 1 0 1 FF2 9932 000 1 CABLE FIXING AC CONTINUITY H J 1 0 2 FF2 9933 000 1 CABLE FIXING AC CONTINUITY N J 1 0 3 FF3 2671 000 1 CABLE AC N J 1 0 4 FF3 2673 000 1 CABLE AC H J 1 0 ...

Page 237: ...SISTOR 40MOHM 0 69W R3 0 7 FH4 9195 000 1 RESISTOR 40MOHM 0 69W RL 1 0 1 FH9 0466 000 1 RELAY SQ1 0 1 RH6 3434 000 1 FILTER NOISE T 1 0 1 FH3 0749 000 1 TRANSFORMER 100 115 120V FH3 0753 000 1 TRANSFORMER 220 240V T 1 0 2 FH3 0751 000 1 TRANSFORMER T 1 0 3 FH3 0856 000 1 TRANSFORMER T 1 0 4 FH3 0746 000 1 TRANSFORMER T 1 0 5 FH3 0750 000 1 TRANSFORMER 100 115 120V FH3 0755 000 1 TRANSFORMER 220 24...

Page 238: ... J901 J902 J903 J201 J908 J909 J905 J904 J621 J603 J906 J801 J108 J907 FIGURE B LIST OF CONNECTORS COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON B 1 ...

Page 239: ...ONNECTOR 3P MALE J 9 0 1 PCB DC CONTROLLER DC POWER SUPPLY NPN SOLENOID SL1 J 9 0 2 PCB DC CONTROLLER DC POWER SUPPLY NPN COPYBOARD DRIVE SOLENOID SL2 J 9 0 3 PCB DC CONTROLLER DC POWER SUPPLY NPN COPYBOARD DRIVE MOTOR J 9 0 4 PCB DC CONTROLLER DC POWER SUPPLY PCB MOTOR DRIVE SENSOR J 9 0 5 PCB DC CONTROLLER DC POWER SUPPLY PCB COPYBOARD HOME POSITION SENSOR J 9 0 6 PCB DC CONTROLLER DC POWER SUPP...

Page 240: ... A N K Q T Y DESCRIPTION SERIAL NUMBER REMARKS B J 9 0 9 VS3 5093 001 1 CONNECTOR 1P MALE WS3 5225 000 1 PIN CONTACT COPYRIGHT 1998 CANON INC CANON FC220 PC420 430 FC200 PC400 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON B 3 ...

Page 241: ... 000 FB4 0258 000 FB4 0259 000 FB4 0260 000 FB4 0261 000 FB4 0262 000 FB4 0263 000 FB4 0264 000 FB4 0287 000 FB4 0288 000 FB4 0297 000 FB4 0301 000 FB4 0307 000 FB4 0308 000 FB4 0309 000 FB4 0310 000 FB4 0318 000 FB4 0325 000 FB4 0327 000 FB4 0328 000 810 810 810 810 810 810 102 102A 810 810 240 102 102A 240 910 370 810 100 100 100 100 100 100 100 101 101 101 101 101 101 101 101 101 161 161 100A 1...

Page 242: ... R 2 8 5 R 3 0 7 R 2 7 4 3 3 A L 1 0 1 L 1 0 2 L 3 0 2 L 3 0 2 R L 1 0 1 L 3 0 2 L 1 0 1 3 9 3 2 A 3 2 B 7 8 3 8 4 0 4 1 3 9 4 0 4 2 4 3 FS5 2334 000 FS5 2337 000 FS5 2347 000 FS5 2349 000 FS5 2351 000 FS5 2355 000 FS5 2358 000 FS5 2359 000 FS5 2796 000 FS6 0337 000 FS6 0339 000 FS6 0340 020 FS6 0345 000 FS6 0347 000 FS6 0355 000 FS6 0962 000 FS6 2163 000 FS6 2164 000 FS6 2168 000 FS6 2169 000 FS6...

Page 243: ...Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV CANON INC Printed in Japan REVISION 0 JAN 1998 5 1 Hakusan 7 chome Toride shi Ibaraki 302 Japan ...

Page 244: ...PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 246: ... MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS COPYRIGHT 1998 CANON INC Printed in Japan Imprimé au Japon Pre...

Page 247: ...ass for Dirt and Scratches 3 2 4 Checking the Lens Array for Dirt 3 2 5 Checking the Transfer Charging Roller 3 2 6 Checking the Feeding Assembly 3 2 7 Checking the Copy Paper 3 2 8 Checking the Durables 3 2 9 Others 3 4 B Samples of Image Faults 3 6 C Troubleshooting by Image Fault 3 7 1 The copy is too light halftone areas only 3 7 2 The copy is too light dark areas as well 3 7 3 The copy is too...

Page 248: ...embly 5 2 3 Fixing Delivery Assembly 5 3 B Feeding Faults 5 4 1 Double Feeding 5 4 2 Wrinkles 5 4 CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS A Sensors and Solenoids 6 1 B Switches 6 2 C Lamp Heater Motor and Others 6 3 D Printed Circuit Board PCB 6 4 E Variable Resistors VR and Check Pins by PCB 6 5 1 DC Controller DC Power Supply PCB 6 5 2 Control Panel PCB 6 6 14 The copy has faulty...

Page 249: ...IN JAPAN IMPRIME AU JAPON iii CHAPTER 7 SELF DIAGNOSIS Self Diagnosis 7 1 APPENDIX A General Timing Chart A 1 B Signals Abbreviations List A 3 1 Signals A 3 2 Abbreviations A 4 C General Circuit Diagram A 5 D Special Tools Table A 7 E Solvents Oils Table A 8 F Specifications A 9 ...

Page 251: ...ON A Periodically Replaced Parts The machine does not have parts which must be replaced on a periodical basis B Durables The machine does not have parts which are classified as durables C Periodical Servicing The machine does not have parts that require periodical servicing 1 ...

Page 252: ...ure the place is controlled to the specifications shown in Table 1 1D a Avoid direct rays of the sun b Avoid areas subjected to appreciable vibration c Do not drop or subject it to impact Normal 9 10 of period 0 to 35 C 32 to 95 F 35 to 40 C 95 to 104 F 20 to 0 C 4 to 32 F High Low Severe 1 10 of period Temperature Temperature fluctuations within about 3 min 40 15 C 104 59 F 20 C 25 C 4 F 77 F Nor...

Page 253: ...a protective box the inside may become extremely hot 2 Avoid areas of high or low temperature humidity and areas where these elements tend to change rapidly for example near air conditioners or heaters 3 Avoid areas where dust ammonium gas or gases from organic solvents tend to accumulate 4 Keep the cartridge in a place 40 C or less b Handling the Cartridge 1 Before inserting the cartridge in the ...

Page 254: ...t the drum resulting in copies with white spots or vertical lines Leave the copier alone for some time for possible recovery to avoid residual memory which results in white spots or vertical lines however keep the following in mind Caution Work quickly when removing jams or replacing cartridges When the cartridge must be removed for work be sure to put the cartridge in its storage box or cover it ...

Page 255: ...o the middle Clean the parts Is the problem corrected by the density correction switch Is optimum density obtained by adjusting the intensity of light See Is gray scale No 9 barely noted See Note 2 Check the following 1 Cartridge 2 Scanning lamp unit 3 DC controller DC power supply PCB see Troubleshooting by Image Fault End End NO YES YES NO YES NO YES Pre Checks Optimum Density Adjustment 1 If a ...

Page 256: ...are not to touch the roller or leave oil Cartridge Transfer charging roller Parts Tools Solve Remarks Inlet guide Solvent Fixing assembly Parts Tools Solve Remarks Lens array Cotton wad Do not use the wire cleaner meant for conventional machines Optical assembly Scanning lamp Blower brush Parts Tools Solve Remarks Intensity AE sensor Blower brush Cleaning Electrical Parts Tools Solve Remarks Copyb...

Page 257: ...st Sheet is copied Figure 2 1A The leading edge non image width is determined by the position of the white paint found behind the copyboard glass Figure 2 2A 2 Image Leading Edge Margin point of detection for registration The leading edge margin must be 0 2 to 5 0 mm when the Test Sheet is copied To adjust move the position of the registration cam 2 0 1 0 mm Copyboard glass 2mm Size index White pa...

Page 258: ...ulty control panel PCB 2 Set the meter to the 200 k range and measure C between the terminal of VR604 and the terminal of R614 on the detached control panel PCB see Figure 2 1B 3 Likewise measure C between the terminal of VR604 and the terminal of R614 on the new control PCB then turn VR604 so that the reading is the same as the measurement taken in step 2 4 In the case of the PC420 430 FC220 adju...

Page 259: ...enter 3 Set the density correction switch SW606 to the center PC420 430 FC220 4 Set the Test Sheet NA3 NB3 NA2 and make a copy 5 Check if the copy is free of fogging and gray scale No 9 No 10 if NB3 is somewhat visible If too dark Turn VR604 on the control panel PCB clockwise slightly to increase the intensity If too light Turn VR604 counterclockwise slightly to decrease the intensity 6 Repeat ste...

Page 260: ...y 1 Switch the copier OFF 2 Detach the control panel cover 3 Turn VR602 and VR603 on the control panel PCB fully clockwise 4 Place a newspaper over the AE light receiving section of the copyboard and close the copyboard cover Figure 2 3B 5 Short the three jumper wires JP604 JP605 JP607 on the control panel PCB at the same time using a screwdriver Caution Take adequate care not to short wires other...

Page 261: ...top shorting the jumper wires 8 Set the digital multimeter to the 20V DC range and turn VR602 AE offset adjustment until the voltage between the anode side of the diode D606 and JP607 GND is 4 0 0 1 V Notes You must use a Digital Multimeter when making adjustments in steps 8 and 10 JP607 JP605 JP604 Screwdriver Control panel PCB Figure 2 5B JP607 VR603 VR602 Control panel PCB D606 anode side ...

Page 262: ...rted 12 Switch the copier ON once again 13 Set the density correction switch SW606 to the center of the three settings 14 Make sure that the AE indicator is ON 15 Set the newspaper used in step 4 on the copyboard once again this time move the newspaper to a different area 16 Make a copy and make sure that it is not foggy and has adequate text density If foggy Turn VR602 clockwise slightly If text ...

Page 263: ...ovide curtains e Make sure the site is well ventilated f Make sure the floor is level Check the site to see if it meets the above requirements 2 Checking the Documents You must first check to see if a particular problem may not be due to the document used a The copy density reading should be 5 5 1 5 black 4 5 1 5 color b Some backgrounds i e yellow shades tend to produce copies with poor contrast ...

Page 264: ... Roller Check the transfer charging roller for scratches or other abnormalities 6 Checking the Feeding Assembly Check the feeding assembly for dirt If dirt is found clean it with a moist cloth 7 Checking the Copy Paper a Check to see if paper of a type recommended by Canon is used b Check to make sure that the paper is not moist Try paper fresh out of package 8 Checking the Durables Checking the C...

Page 265: ...te it several times Figure 3 2A 2 Set the cartridge back into the copier and make copies a If the copies are normal The user may use the cartridge for some time more however advise the user to procure a replacement cartridge b If the copies fail to return to normal Replace the cartridge as described in Replacing the Cartridge ...

Page 266: ...sumes a high electrical resistance resulting in poor contrast c Condensation in the pick up feeding assembly can cause faulty paper transport d Condensation in the lower roller of the manual pick up mechanism decreases friction leading to pick up failure e Condensation on the copyboard hinders its smooth movement When condensation is noted dry wipe the parts The same holds true of the cartridge Af...

Page 267: ...CHAPTER 3 IMAGE TROUBLESHOOTING 3 5 ...

Page 268: ...3 6 CHAPTER 3 IMAGE TROUBLESHOOTING B Samples of Image Faults not available ...

Page 269: ...er image on the pho tosensitive drum more or less normal before transfer Be sure to check quickly to protect the drum against light NO Go to step 5 Transfer charging roller 3 Is the transfer charging roller normal NO 1 Re attach the charging roller 2 Replace the charging roller Copy paper 4 Try paper fresh out of package Is the copy density higher YES 1 The paper may be moist advise the user on th...

Page 270: ...toner image on the photosensitive drum before transfer have uneven density YES 1 Replace the cartridge 2 Replace the scanning lamp unit Transfer charging roller NO Check the transfer charg ing roller Cause Step Checks YES NO Remedies Scanner 1 Clean the scanning lamp reflecting plate and lens Is the problem corrected YES End Scanning lamp Developing bias 2 Is continuity present between photosensit...

Page 271: ...put it back in Is the problem corrected YES End NO Replace the cartridge Cause Step Checks YES NO Remedies Fixing assembly 1 Press the Copy Start key and switch the copier OFF in the middle of operation then open the top cover Does the copy image have white spots or white lines before fixing NO Check the fixing assembly Cartridge 2 Rotate the cartridge several times Is the problem corrected YES Ad...

Page 272: ...opyboard rail Check the scanning lamp for flickering and check the presence absence of a developing bias Scanning lamp Developing bias NO 13 The back of the copy is soiled Cause Step Checks YES NO Remedies Transfer charging assembly 1 Press the Copy Start key and switch the copier OFF while the copy paper is moving through the feeding assembly Is the back of the copy soiled NO Go to step 3 2 Is th...

Page 273: ...pply PCB Fixing heater NO See The fixing heater fails to operate 15 The copy has faulty leading edge registration blank area much too wide 16 The copy has faulty leading edge registration blank area too wide 17 The copy has faulty leading edge registration no blank area Cause Step Checks YES NO Remedies Registration cam 1 Move the registration cam on the copyboard left and right Is there any chang...

Page 274: ... 1 Does the scanning lamp flicker YES Replace the scanning lamp unit Cartridge 2 Replace the cartridge Is the problem corrected YES End High voltage transformer Check the high voltage transformer DC controller DC power supply PCB NO Cause Step Checks YES NO Remedies Document 1 Does the copy have an image which is too light at the same time YES Correct the light image first 2 Is there a gap between...

Page 275: ... Drum drive assembly 5 Is the drum drive gear rotating normally NO Check the drum drive assembly High voltage transformer 6 Are the primary charging terminal at the front left of the cartridge and the high voltage terminal at the bottom of the copier in firm contact YES Check the high voltage transformer DC controller DC power supply PCB Terminals for primary charging Cartridge NO 1 Check the cont...

Page 276: ...3 14 CHAPTER 3 IMAGE TROUBLESHOOTING ...

Page 277: ... sufficiently cool Measure the voltage between J603 1 and J603 2 Is it about 3 2 V or more NO Check the wiring from the DC controller DC power supply PCB to the ther mistor TH1 if normal replace the fixing assem bly 2 Does the fixing heater operate normally NO See The fixing heater fails to operate DC controller DC power supply PCB 3 Switch the copier ON and make a copy Measure the voltage between...

Page 278: ...n reverse after copying operation has started and move forward after it has reached the copy board start position YES Replace the DC con troller DC power supply PCB Copyboard drive assembly Copyboard glass assembly NO 1 Check the copyboard position sensor Q902 2 Try replacing the copy board drive assembly 3 Check the start position cam and reversal cam in the copyboard glass assembly Cause Step Ch...

Page 279: ...reafter YES See E0 Top cover Delivery assembly cover 3 Are the top cover and delivery assembly cover closed properly NO Close the top cover and delivery assembly cover Power supply voltage 4 Is the rated voltage present at the power outlet NO Advise the user that the problem is not of the copier Door switch 5 Is the door switch SW1 SW2 normal Replace the door switch NO DC controller DC power suppl...

Page 280: ...olenoid SL1 PC400 FC200 4 Set the meter to the 30VDC range Does the voltage between J201 6 and J201 7 on the DC controller DC power supply PCB change to about 24 V at pick up timing YES Check the spring clutch in the registration assembly and pick up assembly if normal replace the solenoid DC controller DC power supply PCB NO Check the wiring from the solenoid to the DC con troller DC power supply...

Page 281: ... the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Main motor M1 1 Is the main motor rotating NO See The main motor fails to rotate Copyboard Copyboard drive assembly 2 Push the copyboard by hand Does it move smoothly NO Check the copyboard and copyboard drive assembly DC controller DC power supply PCB 3 Set the meter to the 200Ω range Disconnect J902 from the copyboard drive...

Page 282: ... to the DC controller DC power supply PCB if normal replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Control panel PCB 1 Replace the control panel PCB Does the indicator go ON YES End DC controller DC power supply PCB NO Replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Heater H1 Thermal fuse FU2 1 Is continuity present between terminals...

Page 283: ...ING PAPER FEED PROBLEMS A Copy Paper Jams Jams can be classified according to location within the copier q Pick up assembly w Separation feeding assembly e Fixing delivery assembly The discussions that follow are organized with reference to these assemblies 3 2 1 Figure 5 1A ...

Page 284: ... the pick up roller deformed or worn YES Replace the pick up roller Spring for pick up control Spring clutch PC420 430 FC220 NO 1 Check the spring 2 Check the spring clutch Cause Step Checks YES NO Remedies Copy paper 1 Try paper of a type recom mended by Canon Is the problem corrected YES Advise the user to use recommended paper 2 Is the copy paper curled or wavy or otherwise deformed YES Replace...

Page 285: ...the separation feeding assembly Fixing assembly inlet guide 2 Is the inlet guide soiled with foreign matter or toner Clean it YES Delivery sensor lever 3 Does the delivery sensor lever move smoothly Correct it so that the lever moves smoothly NO Delivery roller assembly 4 Is the delivery sensor Q801 PCB normal Check the delivery roller assembly YES Delivery sensor PCB Replace the delivery sensor P...

Page 286: ... 1 Switch the copier OFF while the copy paper is moving through the feeding assembly Is the paper wrinkled at the time Or is it moving askew YES Check the pick up assem bly Check the registration roller Copy paper 2 Try paper fresh out of package Is the problem corrected YES The paper may be moist advise the user on the correct method of storage Also advise the user to remove curling before feedin...

Page 287: ...L2 Q901 Q801 Q131 PD601 PD602 SL1 6 Figure 6 1A Symbol Name Notation Description Photointerrupter Photodiode Solenoid Q131 Q801 Q901 Q902 PD601 PD602 SL1 SL2 Pick up assembly paper sensor Delivery assembly paper sensor Motor rotation sensor Copyboard position sensor Intensity sensor AE sensor Pick up registration solenoid Copyboard drive solenoid ...

Page 288: ...AND FUNCTIONS OF ELECTRICAL PARTS B Switches Figure 6 1B SW2 SW604 SW606 SW1 Symbol Name Notation Description Switch Switch SW1 SW2 SW604 SW606 Top cover switch Delivery assembly door switch Power switch Density 3 setting switch ...

Page 289: ... PARTS 6 3 C Lamp Heater Motor and Others M1 FU2 TH1 H1 Figure 6 1C Symbol Name Notation Description Heater Motor Thermistor Thermal fuse H1 M1 TH1 FU2 Fixing heater Main motor Fixing heater temperature detection Fixing heater overheating detection M ...

Page 290: ...roller DC power supply PCB Control panel PCB Scanning lamp PCB Delivery sensor PCB Motor rotation sensor PCB Copyboard position sensor PCB Controls sequence supplies DC power controls scanning lamp ON Controls displays copying operation Scanning lamp LA1 LA8 Detects delivery Detects main motor rotation Detects copyboard position 2 1 3 4 5 6 ...

Page 291: ...touch those VRs and check pins not discussed herein they are for factory use only and require special tools and high precision for adjustment Note 1 VRs that may be used in the field 2 VRs that must not be used in the field 1 DC Controller DC Power Supply PCB J201 1 12 VR102 J108 1 2 VR103 J5 T107 2 1 J6 J8 J7 VR101 J202 22 16 21 17 J101 J102 J103 J104 Note The pin No in parentheses refers to the ...

Page 292: ...ust the AE offset use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel PCB VR603 Use it to adjust the AE gain use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel PCB VR604 Use it to adjust the light intensity use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel PCB Figure ...

Page 293: ...s displayed PC420 430 FC220 or the Jam indicator PC400 FC200 remains ON for about 0 5 sec thereafter the power goes out 7 Code Cause Description Thermistor TH1 faulty Fixing heater H1 faulty DC controller DC power supply faulty The temperature of the fixing heater is 215 C or more The temperature of the fixing heater does not reach 80 C within 2 5 sec after copying operation has started The temper...

Page 294: ...r DC power supply PCB faulty The copyboard position sensor Q902 goes ON when copying operation starts The copyboard position sensor Q902 is ON 0 8 sec after copying operation has started The copyboard position sensor Q902 does not go ON within 5 5 sec after copying operation has started The copyboard does not reach the start position within a specific period of time or it moves past the start posi...

Page 295: ...anning lamp LA1 LA8 Fixing heater H1 Primary AC bias Primary DC bias Developing AC bias Developing DC bias Transfer Pick up sensor Q131 Registration solenoid SL1 Sequence Copyboard STBY INTR CBRV STOP CBFW CBRV COPY CBRV LSTR STOP STBY Power switch ON Copy paper inserted Copy paper inserted 240V 625V 400V 130 to 550V Cleaning mode Measurement mode 1 sec CBFW 13 Delivery sensor Q801 ...

Page 296: ...120 to 560V Cleaning mode Measurement mode 1 sec CBFW 13 Main motor M1 Document position sensor Q902 Copyboard drive solenoid SL2 Scanning lamp LA1 LA8 Fixing heater H1 Primary AC bias Primary DC bias Developing AC bias Developing DC bias Transfer Pick up sensor Q131 Pick up solenoid SL1 Delivery sensor Q801 PC420 430 FC220 General Timing Chart A4 2 copies ...

Page 297: ...ON SIGNAL 1 DGT2 OSCILLATION SIGNAL 2 HTRD FIXING HEATER DRIVE COMMAND HVPAC PRIMARY AC BIAS ON COMMAND HVPDC PRIMARY DC BIAS ON COMMAND HVPHO PRIMARY DC BIAS HIGH OUTPUT COMMAND HVTDC TRANSFER DC BIAS ON COMMAND KEYR0 RETURN SIGNAL 0 KEYR1 RETURN SIGNAL 1 LAPWM LAMP DRIVE COMMAND LID LAMP INTENSITY DETECTION SIGNAL MMCLK MAIN MOTOR CLOCK PULSE SIGNAL MMD MAIN MOTOR DRIVE COMMAND PWOFF POWER OFF C...

Page 298: ...A 4 APPENDIX 2 Abbreviations INTR INITIAL ROTATION LSTR LAST ROTATION CBFW COPYBOARD FORWARD CBRV COPYBOARD REVERSE STBY STANDBY ...

Page 299: ...tensity sensor Main motor Delivery sensor N C N C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J202 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GND 5V DGT2 DGT0 GND SEG2 S_CHECK DGT1 PWSON VR KEYR0 TH1 LID S_CLK S_OUT S_IN 24V J601 HOT J1 RETURN 120 230V J8 Thermal fuse 2 FU2 Fixing heater H1 TH1 Fixing heater temperature sensor Control panel PCB Registration solenoid Copyboard drive solenoid Copyboard...

Page 300: ...J801 1 2 3 1 2 3 4 J603P J621P AE sensor Intensity sensor J621F J603F Control panel PCB DC controller DC power supply PCB Scannig lamp PCB Door switch Delivery door switch 1 2 3 1 2 3 1 3 GND 5V DGT2 DGT0 GND SEG2 S_CHECK DGT1 PWSON VR KEYR0 TH1 LID S_CLK S_OUT S_IN 24V SEG0 AE SEG1 KEYR2 KEYR3 GND TH1 DGT1 LEG KEYRO 2 NC J102 J103 J907 Main motor J601 HOT J1 RETURN 120 230V 100V Thermal fuse 2 FU...

Page 301: ...e standard tools set The tools are categorized as follows A tools that must be carried by each service person B tools that must be carried by a group of about five service persons C tools that must be kept by each workshop No Tool name Tool Number Shape Category Remarks 1 Digital multimeter CK 0552 B For adjusting the AE mechanism ...

Page 302: ... locally Isopropyl alcohol may be substituted 2 Solvent Cleaning e g metal oil or toner dirt Hydrocarbon fluorine chlorine family Alcohol Do not bring near fire Procure locally 3 Heat resisting grease Lubricating drive assemblies Lithium soap mineral oil family Molybdenum bisulfate CK 0427 500 g can 4 Lubricating oil Mineral oil paraffin family CK 0451 100 cc 5 Lubricating oil Mineral oil paraffin...

Page 303: ...able Copying speed Copy size A4 LTR LGL max postcard min 52 to 128 g m2 Tracing paper Colored paper OHP film Postcard vertical Labels Wrapping paper 63 g m2 Copy paper type Two sided copying Overlay copying Copy tray 9 copies approx A4 LTR 80 g m2 Non image width 2 mm leading edge A4 0 mm left right LTR LGL 2 mm left right Auto power off Available 5 min approx Performance PC430 only PC400 FC200 PC...

Page 304: ...in reference only 0 2 kWh reference only Ozone 0 01 ppm or less average over 8 hr 71 dB Copying Standby Noise 14 1 in 359 mm Width Dimensions Depth Height 15 7 in 402 mm 4 1 in 108 mm Weight including cartridge 16 6 lb 7 4 kg approx Keep wrapped to protect against humidity Copy paper Cartridge See CHAPTER 1 Consumables Sound power level by ISO PC400 FC200 PC420 430 FC220 Serial numbers NVD FC220 W...

Page 305: ...by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC Printed in Japan REVISION 0 JAN 1998 23715 5 1 Hakusan 7 chome Toride shi Ibaraki 302 Japan ...

Page 306: ...PRINTED IN JAPAN IMPRIME AU JAPON 0198M2 01 1 This publication is printed on 70 reprocessed paper ...

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