Canon DADF-H1 Service Manual Download

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CHAPTER 5 TROUBLESHOOTING

2000 2000 2000 2000

CANON DADF-H1 REV.0 MAR. 2001

5-21

3.2 Motors, clutches, solenoids, PCB, etc.

F05-302-01

VR1

SL1

SL2

PCB1

PCB2

Symbol

name

Motor

Solenoid

ADF controller PCB

Junction PCB

Variable resistor

Symbol

SL1

SL2

PCB1

PCB2

VR1

Function

Feed motor

Pickup motor

Locking solenoid

Stamp solenoid

ADF control

Document pickup tray sensor

relaying

Document width detection

T05-302-01

Summary of Contents for DADF-H1

Page 2: ... the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies Copyright This manual is copyrighted with all rights reserved ...

Page 3: ...connection of the power plug from the electric outlet Indicates an item intended to provide notes assisting the understanding of the topic in question Memo Indicates an item of reference assisting the understanding of the topic in ques tion REF Provides a description of a service mode Provides a description of the nature of an error indication Refers to the Copier Basics Series for a better unders...

Page 4: ...erence to principles of operation timing of op eration construction and outline of electrical cir cuitry Chapter 3 Mechanical Systems construction of mechanical systems disassembly assembly and adjustments Chapter 4 Maintenance and Inspection periodically replacement parts durables and consumables scheduled servicing chart Chapter 5 Troubleshooting standards adjustments troubleshooting tables Appe...

Page 5: ... High is expressed as being 1 while a single whose level is Low is expressed as being 0 the level of voltage how ever varies from circuit to circuit The machine uses CPUs whose internal mechanisms cannot be checked in the field and therefore are not explained In addition the machine s PCBs are not intended for repairs at the user s and therefore are explained by means of block diagrams two types a...

Page 6: ... 15 2 3 1 Overview 2 15 2 3 2 Detecting the presence or absence of a document in the document pickup tray 2 17 2 3 3 Detecting whether the document being fed is the last document or not 2 18 2 3 4 Initial document size detection feed direction 2 19 2 3 5 Initial document size detection width direction 2 20 2 3 6 Final document size detection 2 23 2 4 Document Pickup Separation 2 26 2 4 1 Basic pic...

Page 7: ...ion pad 3 15 3 2 2 Removing the feed station 3 16 3 2 3 Removing the delivery reversal roller upper 3 17 3 2 4 Removing read roller 2 3 18 CHAPTER 3 MECHANICAL SYSTEMS 3 2 5 Removing the platen roller 3 19 3 2 6 Removing read roller 1 3 20 3 2 7 Removing the registration roller lower 3 21 3 2 8 Adjusting platen guide L 3 23 3 2 9 Removing the delivery reversal roller lower 3 24 3 2 10 Detaching re...

Page 8: ...Adjustment 4 11 6 1 Adjusting the Height 4 11 1 Specifications and Adjustments 5 1 1 1 Basic Adjustments 5 1 1 1 1 Height adjustment 5 1 1 1 2 Squareness adjustment 5 3 1 1 3 Scanning position adjustment 5 4 1 1 4 Horizontal registration adjustment 5 6 1 1 5 Scale adjustment 5 9 1 1 6 Trailing registration adjustment 5 13 1 2 Making Adjustments Following Replacement of Key Parts 5 17 1 2 1 Overvie...

Page 9: ...a Single sided A4 Document A 1 1 2 Scanning a Double sided A4 Document Face First Back Next A 2 2 Signal Name Designation List A 3 3 General Block Diagram A 5 4 ADF Controller Block Diagram A 6 5 Document Set Display Block Diagram A 11 6 Junction PCB Block Diagram A 11 7 Jam Code List A 12 8 Special Tools List A 13 9 Solvent Grease List A 13 ...

Page 11: ...s the document size information to the host to which the ADF is attached c Double sided document handling Their reversal feature enables the ADF to handle double sided documents d Long document mode Long document mode when specified allows the ADF to scan documents up to 630 mm long e Mixed loading of different sizes of documents adhering to different systems The ADF supports mixed loading of docu...

Page 12: ...A5R A4R B4 A3 Inch system STMT LTR LTRR LGL 11 x 17 Document width 148 A5R to 297 A3 mm 5 83 A5R to 11 69 A3 in Document length 128 STMT to 432 11 x 17 mm 5 04 STMT to 17 01 11 x 17 in 50 sheets 50 sheets Single sided and double sided document han dling Yes Standard sizes only Available in conjunction with the host Mixed loading of documents of different sizes adhering to the same system Mixed loa...

Page 13: ... range Humidity range Specifications IPC Communication 2 1 DC24VSupplied from the host to which the ADF is attached Approx 14 kg 30 8 lb 565 width x 538 depth x 124 height mm 22 24 width x 21 18 depth x 4 88 height in A system XDDxxxxx Inch A system XDCxxxxx AB system XDBxxxxx Inch AB system XDExxxxx Conforming to the host Conforming to the host Remarks T01 201 02 Specifications and other informat...

Page 14: ...OPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 3 Names of Parts 3 1 Exterior View F01 301 01 1 Feeder cover 2 Rear cover 3 Slide guide 4 Document pickup tray 5 Front cover 6 Document delivery station 1 2 3 4 5 6 ...

Page 15: ... Registration roller lower 2 Registration roller upper 3 Separation roller 4 Separation pad 5 Separation plate 6 Pickup roller 7 Document pickup tray 8 Delivery reversal roller upper 9 Delivery reversal roller lower 10 Read roller 2 roller 11 Read roller 2 12 Platen roller 13 Read roller 1 roller 14 Read roller 1 1 2 3 4 5 6 11 7 10 8 12 13 14 9 ...

Page 16: ...nt tray and flashes when a document jams F01 401 01 4 2 Alarm Indications and Corrective Action If the Document LED flashes while feeding a document the document may have jammed Take corrective action as follows 1 Remove the entire document from the document tray 2 Opening the feeder cover remove any jammed document 3 Set the document in the ADF again after aligning it from the first sheet afterwa...

Page 17: ...s Document table glass retainer Cleaning method After wiping with a cloth saturated with water then wrung tight or moistened with alcohol wipe dry Remarks Reader station part Reader station part T01 403 01 Perform cleaning in the following sequence 1 Opening the feeder cover clean the rollers 5 under the feeder cover with a cloth saturated with water then wrung tight while turning them and then wi...

Page 18: ...t dry cloth Clean the areas surrounding the rollers likewise F01 403 02 3 Turning rollers 4 with knob clean them with a cloth saturated with water then wrung tight while turning them and then wipe dry with a soft dry cloth F01 403 03 4 With the separation guide and the feeder cover closed open the ADF Clean the document table glass with a cloth satu rated with water then wrung tight while turning ...

Page 19: ...2000 CANON DADF H1 REV 0 MAR 2001 5 Clean the platen roller with a cloth satu rated with water then wrung tight while turning them and then wipe dry with a soft dry cloth Clean the sheets surrounding the rollers likewise When the cleaning is completed close the ADF F01 403 05 ...

Page 22: ...roller PCB A CPU IC1 mounted on the ADF controller PCB decodes signals input signals from sensors and other sources and signals from the host and generates signals at predetermined timings for driving DC loads such as motors and solenoids F02 101 01 CPU IC1 EEPROM IC5 IPC IC2 DC5V power IC4 5V 24V Power Supply PCB Host Machine Solenoid Document Set LED Motor Sensor ADF Controller PCB J1 6 J2 2 IPC...

Page 23: ... details see Section 2 19 Tray sensor 2 PI4 J307 3 1 2 End of document sensor PI5 J308 3 2 1 5V Read sensor J3 7 9 8 J303 3 1 2 5V Delivery reversal sensor J3 10 12 11 J304 3 1 2 EJTS Set to 1 when paper is present VR1 Set to 1 when paper is present Set to 1 when the paper loaded is AR4 Set to 0 when the paper loaded is LTRR Document width detection variable resistor J102 13 14 15 4 6 5 J102 5V AR...

Page 24: ...03 01 ADF controller PCB Locking solenoid SL1 24V J10 1 2 A_SL SL1 turns on when 0 Pickup motor J8 1 2 3 4 5 6 M2 Feed motor J7 1 2 3 4 5 6 M1 M2A M2A M2B M2B M1A M1A M1B M1B 24V 24V For more details see 2 35 For more details see 2 30 Stamp solenoid SL2 24V J11 1 2 STAMP_SL SL2 turns on when 0 Document Set LED LED 24V J11 3 4 LED LED turns on when 0 J201 1 2 1 2 J14 1 2 1 2 ...

Page 25: ...CANON DADF H1 REV 0 MAR 2001 2 4 2 Basic Operations 2 1 Overview This machine is a flow scanning document feeder that uses two motors to drive document pickup and feeding Name Symbol Pickup motor M2 Feed motor M1 Function Separates and feeds documents Feeds documents T02 201 01 ...

Page 26: ...B Document detection signal READS J3 9 End of document detection signal ENDS J6 3 Document detection signal REGS J3 6 Document set signal EMPS J4 3 Document detection signal EJTS J3 12 Pickup motor drive signal J8 Feed motor drive signal J7 Stamp solenoid drive signal STAMP_SL J11 2 Locking solenoid drive signal A SL J3 9 Paper size identification signal 1 LENG2S J6 1 Paper size identification sig...

Page 27: ...feeds a document first to establish its document size then to scan it on its surface and picks it again for scanning followed by reversal and deliv ery Idle feeds a document to estab lish its document size then re verses it for scanning followed by delivery Associated print modes Single sided document Single sided print Single sided document Double sided print Double sided document Double sided pr...

Page 28: ... 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 2 7 2 2 2 Forwarding pickup delivery Single sided document Single sided print The flow of document handling is schematically shown below F02 202 01 Document Pickup Looping Scanning Delivery Scanning standby ...

Page 29: ... DADF H1 REV 0 MAR 2001 2 8 2 2 3 Forwarding pickup reversal delivery Double sided document Double sided print The flow of document handling is schematically shown below F02 202 02a Document Pickup Looping Scanning Feed Reversal Scanning standby Looping Scanning standby To next page ...

Page 31: ...01 2 10 2 2 4 Idle feed reversal pickup reversal delivery Double sided documents of different sizes adhering to different systems Double sided print The flow of document handling is schematically shown below F02 202 03a Feed Feed Idle feed To next page Idle feed Reversal Looping Document Pickup Looping ...

Page 32: ...OPERATION COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 2 11 F02 202 03b Re pickup from reversal station Scanning standby Face scanning Feed Reversal Looping Scanning standby Looping To next page ...

Page 34: ...13 2 2 5 Idle feed reversal pickup delivery Single sided documents of different sizes adhering to different systems Single sided print The flow of document handling is schematically shown below F02 202 04a Looping Pickup Feed Idle feed Feed Feed Reversal Re pickup from reversal station To next page Document ...

Page 36: ...able during printing Function Document presence absence detection Last document detec tion Initial document size detection Feed direction Width direction Final document size detection Feed direction Contents Detecting the presence or absence of a document in the document pickup tray Detecting whether the document being fed is the last document or not Detecting the length of a document set in the d...

Page 37: ...s Function Document presence absence detection Last document detec tion Document length detec tion Contents Detecting the presence or absence of a document in the document pickup tray Detecting whether the document being fed is the last document or not Detecting a document length from the feed distance between read sensor PI7 ON and OFF Document width detection is also used to identify A5R and A4 ...

Page 38: ...nce of a document in the document pickup tray When a document is paced in the document tray the detection lever works in synchroni zation with the shading plate to uncover the photointerrupter This allows the document set sensor PI10 to generate a document detection signal EMPS for transmission to the ADF controller PCB which turns on the Document Set LED on receiving the EMPS signal F02 203 01 AD...

Page 39: ... tray or not When the last document is picked up and the trailing sheet of the document passes the last document detection lever in the document tray the detection lever works in synchronization with the shading plate to cover the photointerrupter This allows the end of document sen sor PI5 to generate a last document detection signal ENDS notifying the host that the paper being picked up is the l...

Page 40: ...ers in the two docu ment length sensors work in synchronization with the shading plate to cover the photointerrupter Document size information detected on the basis of the combination of the signals LENG1S LENG2S from these two document length sensors is transmitted to the host Document size information is detected on a real time basis and transmitted to the hosts at 10 msec intervals T02 203 03 s...

Page 41: ...rm The ADF controller receives changes in this resistance as a document size signal VR and replaces it with a size in the width direction A dedicated A4R LTRR identification sensor PI2 in the document tray assures that document width detection variable resistor VR1 is able to detect the widths of A4R 210 mm wide and LTRR 216 mm wide accurately The A4R LTRR identification sensor gen erates a 1 on t...

Page 42: ...or more but less than 214 mm Document width w mm Document width detection variable resistor 148 w 171 172 w 199 200 w 246 247 w 268 269 w 288 289 w 297 T02 203 03 A4R LTRR 1 identifica tion sen sor ON OFF Tray sen sor 1 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON Tray sen sor 2 OFF OFF ON OFF OFF ON OFF OFF ON OFF OFF ON OFF ON OFF ON OFF ON Mixed A5R B6 B5R A5 A4R STMT LTRR LGL B5 B4 LTR 11 ...

Page 43: ...ositions adjoining depending on the paper size may cause the ADF to stop at an incorrect position This ADF provides two types of slide guide position ing tops to vary the slide guide stop position Slide guide Positioning top color and making White A and making A B system use Black L and making Inch system use T02 203 04 F02 203 04 Slide guide stop position Single grooved side Double grooved side A...

Page 44: ...and the value of initial document size detection calculated by the document width de tection variable resistor VR1 When a document passes the document detection lever at the read sensor PI7 the detec tion lever works in synchronization with the shading plate to cover the photointerrupter The length of the feed distance is detected by counting the clock pulses generated by the feed motor M2 between...

Page 45: ...erent sizes adhering to the AB system Standard size Document width w mm Document length mm B6 1 140 A5 141 1 165 B5 166 1 196 A5R W 199 197 1 234 A4 W 200 197 1 234 B5R 235 1 277 A4R 278 1 331 B4 332 1 392 A3 393 1 T02 203 05 Mixed loading of documents of different sizes adhering to the inch system Standard size Document width w mm Document length mm STMT 1 178 LTR 179 1 248 LTRR 249 1 318 LGL 319...

Page 46: ...B4 B4 LGL STMT A5 STMT LTRR A4R LTRR LGL B4 LGL A5 A5 STMT A4R A4R LTRR B4 B4 11 x 17 B5 B5 LTR B4 B4 11 x 17 LTR A4 LTR 11 x 17 A3 11 x 17 A4 A4 LTR A3 A3 11 x 17 T02 203 07 Document width w mm 171 w 172 w 199 200 w 246 247 w 268 269 w 288 w 289 Document length mm 1 200 201 1 300 301 1 1 200 201 1 300 301 1 1 200 201 1 300 301 1 1 200 201 1 300 301 1 1 250 251 1 1 350 351 1 1 350 351 1 A4R LTRR i...

Page 47: ...the pickup roller for feeding the document The stopper ascends in synchronization with the pickup roller assembly The separation plate and the separation pad prevent the document from feeding in duplicate as the document is fed F02 204 01 b Looping The pickup motor M2 reverses pressing the paper against the registration roller halted by the idling one way clutch to form a loop thereby preventing t...

Page 48: ...g standby position the pickup motor M2 and the feed motor M1 stop F02 204 03 d Flow scanning When the leading sheet of a document arrives at the scanning standby position the ADF transmits an image start signal to the host to start flow scanning in which the document scanned as it is moved over a sheet of glass in a stationary optic system in the host by a platen roller The scanned image is stored...

Page 49: ...ith the pickup station The separa tion plate and the separation pad prevent the document from feeding in duplicate during pickup When the document is fed to reach the registration roller to form a loop the pickup motor forwards and the pickup station ascends to transfer the document on the registration roller The separation roller driving shaft that is driven by way of the spring one way clutch is...

Page 50: ...3 Pickup timing chart F02 204 06 Document set sensor PI10 Pickup feed Scanning Motor reversing Reversing Looping Scanning standby Forwarding Registration 1 paper sensor PI6 Read sensor PI7 Pickup clutch sensor PI8 Pickup motor M2 Feed motor M1 Image start signal START key input Document pick signal ON Document set ...

Page 51: ...eceives print mode communications data such as scale operation mode and timing from the host as commands It generates driving pulses to the pickup motor on the basis of these commands As a stepping motor the pickup motor has the direction and speed of its revolution con trolled by varying the output order and frequencies of M2A M2A M2B M2B Signal name Function KMOT_A Driving pulse A KMOT_A Driving...

Page 52: ...rotate for scanning the first side of the document When the scan is completed the locking solenoid SL1 turns on as the image start signal turns ON with the delivery reversal roller being locked to deliver the document to the delivery station F02 205 01 b Reversal feed 1 When the trailing sheet of the document fed passes the delivery reversal sensor PI8 the feed motor M1 stops Then the feed motor M...

Page 53: ...now F02 205 03 2 5 2 Operating sequences F02 205 04 Registration roller Scanning standby position Read roller M1 M2 Reversing Scanning Document set sensor PI10 Registration 1 paper sensor PI6 Read sensor PI7 Delivery reversal sensor PI8 Pickup motor M2 Feed motor M1 Image start signal Locking solenoid SL1 Pickup feed START key input Document pick signal ON Document set Motor reversing Looping Loop...

Page 54: ...ing solenoid SL1 turns on and the delivery reversal roller lower is locked with the delivery reversal roller upper As the document passes the scanning position through the rotation of the separation roller it is fed by the delivery reversal roller F02 206 01 b Delivery to the document delivery station The document is delivered to the document delivery station by the delivery reversal roller rotati...

Page 55: ...uence F02 206 03 Document set sensor PI10 Locking solenoid SL1 Pickup feed Scanning Reversing Reversing Looping Scanning standby Forwarding Registration 1 paper sensor PI6 Read sensor PI7 Pickup clutch sensor PI8 Pickup motor M2 Feed motor M1 Image start signal START key input Document pick signal ON Document set Motor reversing ...

Page 56: ...eceives print mode communications data such as scale operation mode and timing from the host as commands It generates driving pulses to the feed motor on the basis of these commands As a stepping motor the feed motor has the direction and speed of its revolution con trolled by varying the output order and frequencies of M1A M1A M1B M1B Signal name Function RMOT_A Driving pulse A RMOT_A Driving pul...

Page 57: ...ocument at a particular sensor is established on the basis of whether the document is located at that sensor When the ADF encounters a jam it transmits coded information about the jam to the host This ADF displays jam codes in two ways Service mode screen on the host LED indications on the ADF controller PCB Service mode screen on the host F02 301 01 LED indications on the ADF controller PCB F02 3...

Page 58: ... the start of separation The trailing sheet of a document has not been detected after the paper has been fed for a pre determined period of time upon detection by the registration roller paper sensor PI6 A document has not been detected by the read sensor PI7 after the paper has been fed for a predetermined period of time upon detection by the registration roller paper sensor PI6 The trailing shee...

Page 59: ...ed period of time upon detection by the delivery reversal sensor PI8 The ADF was opened during an operation drive operation The ADF was opened during an operation drive outage The ADF was opend during an operation drive operation The feeder cover was opened during an operation drive outage Paper was detected in the path while picking up the first sheet of a document A pickup signal was received fo...

Page 60: ... Supply A block diagram of the power supply is shown below This ADF receives two sources of 24V 24VP 24VR from the host 24VR is converted to 5V by IC4 before it is made available for driving the sensors and the ADF controller PCB F02 401 01 DC Regulator IC4 6 J2 J1 24VP 24VR 5V 24V Motor Solenoid Sensor Host Machine 2 ...

Page 63: ... 2 Rear cover 3 Feeder cover 4 Document pickup tray 5 Document delivery station 6 Slide guide F03 101 01 When cleaning inspecting and repairing the interiors of the mechanism detach the cov ers by following these steps 1 1 1 Removing the ADF 1 Turn off the power to the host 2 Disconnect communication cable 1 for this ADF from the host F03 101 02 1 2 3 4 5 6 1 ...

Page 64: ...ANON INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 3 2 3 Remove two stepped screws 1 and 2 4 Slide the ADF rearwards and then lift it off F03 101 03 1 1 2 Detaching the front cover 1 Opening feeder cover 1 remove screw 2 F03 101 04 2 1 1 2 ...

Page 65: ...N INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 3 3 2 Remove two screws 3 to detach front cover 4 as illustrated F03 101 05 1 1 3 Detaching the rear cover 1 Opening the feeder cover then the document pickup tray remove screw 1 F03 101 06 3 4 1 ...

Page 66: ...der cover remove two screws 2 to detach rear cover 3 F03 101 07 1 1 4 Detaching the feeder cover 1 Detach the front cover 2 Remove screw 1 and positioning pin 2 to detach feeder cover 3 F03 101 08 1 1 5 Removing the feed roller guide 1 Open the ADF 2 Remove two screws 1 to release feed roller guide 2 F03 101 09 2 3 3 2 1 1 2 ...

Page 67: ...ism 2 1 Pickup Motor 2 1 1 Releasing the pickup motor 1 Detach the rear cover 2 Remove connector 1 3 Remove two adjustment plate mounting screws 2 F03 201 01 4 Detach tension spring 3 by using tweezers or a similar tool and remove stepped screw 4 to release pickup mo tor 5 with the adjustment plate F03 201 02 1 2 2 4 5 3 ...

Page 68: ...ounting the pickup motor 1 Mount the motor with the timing belt engaged with the motor pulley and tighten screw 1 2 Attach tension spring 2 to the adjust ment plate and the motor mounting plate F03 201 03 3 After securing the adjustment plate with two mounting screws 3 attach con nector 4 to it F03 201 04 1 2 4 3 3 ...

Page 69: ...2 2 Feed Motor 2 2 1 Releasing the feed motor 1 Detach the rear cover 2 Release harness guide from four claws 1 to remove connector 2 F03 201 05 3 Detach tension spring 3 F03 201 06 4 Remove two screws 4 and stepped screw 5 to release feed motor 6 to gether with adjustment plate 7 F03 201 07 2 1 3 5 7 4 6 4 ...

Page 70: ...r with ad justment plate 2 and attach tension spring 3 and stepped screw 4 Have the tension spring hooked to the adjustment plate to ease the work of at taching it at a later time F03 201 08 2 With feed motor 5 pressed against the left end attach timing belt 6 to the pulley F03 201 09 3 Secure the adjustment plate with two mounting screws 7 F03 201 10 1 4 2 3 6 5 7 ...

Page 71: ...sassemble the drive mechanism by following these steps 1 Detach the rear cover front cover and feeder cover 2 Release the pickup motor and feed mo tor See P 3 5 to 3 7 3 After removing four connectors 1 screw 2 and ground mounting screw 3 slide the harness guide slightly to left and then lift it F03 201 11 4 Remove four screws 4 and screw 5 to release the left hinge assembly F03 201 12 1 3 2 4 5 ...

Page 72: ...V 0 MAR 2001 3 10 5 Remove three screws 6 and two screws 7 to release motor mounting plate 8 F03 201 13 6 Detach motor drive timing belts 9 and 10 F03 201 14 7 Detach three E rings 11 to release two pulley 12 one way clutch 13 and timing belts 14 15 F03 201 15 8 7 6 9 10 11 14 15 13 12 12 11 ...

Page 73: ...lley 17 and timing belt 18 The feed mechanism must be removed be fore pulley 19 can be detached F03 201 16 Before attaching timing belt 18 loosen screw 21 on ten sion arm 22 and press the arm in the counterclockwise direc tion to attach the timing belt When the timing belt has been attached remember to clamp screw 21 F03 201 17 17 16 19 18 18 21 22 ...

Page 74: ...feeder cover See P 3 4 2 Remove four screws 1 to detach inner cover 2 from the feeder cover F03 301 01 3 Detach two plastic E rings 3 and two bushings 4 to release pickup roller as sembly 5 F03 301 02 3 1 2 Removing the pickup roller separation roller 1 Remove the pickup roller 2 Detach plastic E ring 1 and stop lever 2 and pull out pickup roller support plate 3 F03 301 03 1 1 2 3 4 3 4 5 3 1 2 ...

Page 75: ...roller assembly 1 With left and right stopper arms 1 erected mount the pickup roller assem bly so as to have the stopper arms placed between separation roller shaft 2 and pickup roller shaft 3 Ensure that the lever position of stop lever 4 will be positioned under stopper arm 1 F03 301 05 2 Secure the pickup roller assembly by attaching two plastic E rings 5 and two bushing 6 3 Replace the feeder ...

Page 76: ...H1 REV 0 MAR 2001 3 14 3 1 4 Releasing the registration roller upper 1 Detach the feeder cover 2 Remove four screws 1 to detach inner cover 2 from the feeder cover F03 301 07 3 With shaft 3 pulled out in the illus trated direction release registration roller upper 4 F03 301 08 1 1 2 4 3 ...

Page 77: ...ON DADF H1 REV 0 MAR 2001 3 15 3 2 Feed System 3 2 1 Removing the separation plate separation pad 1 Open the feed cover 2 Remove two screws 1 to release sepa ration plate 2 and separation pad 3 F03 302 01 3 Slide separation pad 3 out of position as illustrated F03 302 02 1 2 3 3 ...

Page 78: ... lower read roller read roller platen roller delivery reversal roller etc release the feed station as a whole by following these steps 1 Detach the front cover rear cover and feeder cover 2 Disassemble the drive mechanism 3 Remove two screws 1 from the front cover to release locking support 2 and connector 3 F03gv 302 03 4 Remove screw 4 to pull out bushing 5 and then release document pickup tray ...

Page 79: ... release feed station 8 F03 302 05 3 2 3 Removing the delivery reversal roller upper 1 Remove the feed station See P 3 16 2 Reverse the feed station and pull out pulley 1 and bushing 2 F03 302 06 3 Detach plastic E ring 3 to release bushing 4 4 Remove reversal delivery roller upper 5 and separation guide 6 F03 302 07 8 7 1 2 5 4 3 6 ...

Page 80: ...he feed station See P 3 16 2 Remove screw 1 to release platen guide R 2 F03 302 08 3 Detach plastic E ring 3 to release pul ley 4 and bearing 5 F03 302 09 4 Detach gear 6 and bushing 7 to re move gear 6 widen its claw 5 Lifting read roller 2 8 along the clear ance in the shaft hole as illustrated slide it out of position F03 302 10 1 2 3 4 5 8 7 6 ...

Page 81: ...emove the feed station See P 3 16 2 Remove two screws 1 F03 302 11 3 Remove platen guide L 2 Platen guide L 2 if detached would require gap adjustment with the platen roller upon reas sembly Mark the notched part of platen guide L before removal to have this mark aligned with the notch at reassembly to save the adjust ment effort F03 302 12 1 2 ...

Page 82: ...ring 9 to release bushing 10 F03 302 13 6 Detach platen roller 11 illustrated F03 302 14 3 2 6 Removing read roller 1 1 Remove the feed station See P 3 16 2 Detach platen guide L Removing the platen roller see P 3 19 3 Detach plastic E ring 1 to release pul ley 2 timing belt 3 and bushing 4 F03 302 15 4 Detach plastic E ring 5 to release pul ley 6 and bearing 7 F03 302 16 5 6 7 10 9 8 11 1 2 3 4 7...

Page 83: ...er 10 is detached together with the arm when read roller1 9 is de tached F03 302 17 3 2 7 Removing the registration roller lower 1 Remove the feed station See P 3 16 2 Remove reversal delivery roller upper read roller 2 and read roller 1 3 Remove two screws 1 to release sen sor assembly 2 F03 302 18 4 Remove E ring 3 plastic E ring 4 and bushing 5 three screws 6 to re lease metallic frame 7 F03 30...

Page 84: ...APTER 3 MECHANICAL SYSTEMS COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 3 22 5 Detach plastic E ring 8 and bushing 9 to release registration roller lower 10 F03 302 20 9 8 10 ...

Page 85: ...re gap adjustment with the platen roller upon reassembly 1 Opening the ADF loosen two platen guide mounting screws 1 F03 302 21 2 Platen roller 2 and Platen guide with a gauge dedicated too 1 4 mm gap 4 inserted in the clearance be tween platen roller 2 and platen guide L 3 by about 2 mm tighten two screws 1 with platen guide L 3 pressed against the gauge F03 302 22 1 1 2 3 4 ...

Page 86: ...sary to pull out the reversal de livery roller lower as a whole disassemble it by following these steps 1 Remove the feed station See P 3 16 2 Detach plastic E ring 2 3 Remove blank plate crimp plate 3 Blank plate crimp plate is bonded to the frame by double sided sponge tape at eight points If blank plate crimp plate has been removed reattach it to the frame by using new double sided sponge tape ...

Page 87: ... read roller 2 roller 1 Remove blank plate crimp plate 1 Blank plate crimp plate is bonded to the frame by double sided sponge tape at eight points If blank plate crimp plate 1 has been removed reattach it to the frame by using new double sided sponge tape 2 Remove two screws 1 to release read rollers 2 roller F03 302 25 2 1 ...

Page 88: ...over then the separa tion guide 2 Remove separation guide sheet 1 and clean the attachment area and its sur rounding areas with a lens cleaning wiper or similar material saturated with alcohol 3 Attach new separation guide sheet 2 as shown at right Press the new separation guide sheet pressed against the stopper both vertically and horizontally to attach F03 302 26 1 2 ...

Page 89: ...oller PCB 1 Detach the rear cover 2 Pull out all ADF controller PCB con nectors 3 Remove screw 1 to release the ADF controller PCB F03 401 01 4 2 Feed Station Sensors 4 2 1 Removing the sensor assembly 1 Remove the feed station 2 Remove the reversal delivery roller up per read roller 2 and read roller 1 3 Remove two screws 1 to release sen sor assembly 2 F03 402 01 1 1 2 ...

Page 90: ...e connectors 1 2 3 2 Remove registration roller paper sensor 4 read sensor 5 and post separation sensor 6 F03 402 02 4 3 Document Pickup Tray Sensors 4 3 1 Removing the document width detection variable resistor 1 Detach the front cover 2 Raise the document pickup tray 3 Remove three screws 1 to detach cover 2 F03 403 01 1 2 3 6 5 4 2 1 1 ...

Page 91: ...se harness 4 from the harness guide 5 Remove two screws 5 to release docu ment width detection variable resistor 6 F03 403 02 4 3 2 Installing the document width detection variable resistor 1 Widen side guide 1 fully 2 Turn gear 2 fully counterclockwise as viewed from the gear to locate it where arrow marks 3 meet F03 403 03 5 3 4 6 1 1 2 3 3 ...

Page 92: ...rear cover 2 Remove connector 1 3 Remove ADF open closed sensor 2 F03 404 01 4 4 2 Removing the cover open closed sensor 1 Detach the rear cover 2 Remove connector 1 3 Remove cover open closed sensor 2 F03 404 02 4 4 3 Removing the document set sensor 1 Detach the rear cover 2 Remove screw 1 3 Remove document set sensor 2 to gether with the bracket and then remove connector 3 F03 404 03 2 1 2 1 2 ...

Page 93: ...oving the locking solenoid 1 Detach the rear cover 2 Remove the ADF controller circuit board 3 Remove two screws 1 and screw 2 to release locking solenoid 3 F03 404 04 When installing the locking so lenoid have plunger 5 as sembled into link 6 before mounting locking solenoid 4 on the bracket F03 404 05 2 3 1 4 5 6 4 ...

Page 95: ...aced when the need arises Pickup sheet counts for this ADF can be checked by setting the host in service mode As of March 2001 No Description Part No Quantity Durability Remarks pieces guideline 1 Pickup roller FB5 9446 1 80 000 sheets Usage sheet counts for these parts can be checked by setting the host in service mode 2 Separation roller FB5 9445 1 80 000 sheets COPIER COUNTER DRBL 2 DF PU RL Pi...

Page 96: ...e glass retainer 1 Blank plate crimp plate Pickup sheet counts for this ADF can be checked by setting the host in service mode 2 Platen roller 3 Registration roller upper COPIER COUNTER FEEDER FEED 4 Registration roller lower 5 Read roller 2 6 Read roller 1 7 Read roller 1 roller 8 Read roller 2 roller 9 Delivery reversal roller upper 10 Delivery reversal roller lower 11 Pickup roller 12 Separatio...

Page 97: ...TION COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 4 3 A layout of the parts requiring periodic servicing is shown below F04 301 01 F04 301 02 4 18 17 3 13 12 14 11 5 15 8 9 2 6 7 10 1 22 20 24 16 25 21 23 ...

Page 98: ...ohol then wipe dry 4 1 2 document table glass retainer 1 Wipe the document table glass retainer 2 on the reader station with a cloth saturated with water then wrung tight or with alcohol then wipe dry F04 401 01 4 2 ADF Parts 4 2 1 Platen guide 1 Wipe platen roller 1 with a cloth satu rated with water then wrung tight or with alcohol then wipe dry 4 2 2 Blank plate crimp plate 1 Wipe blank plate 2...

Page 99: ...aper with the host set in service mode upon each passage of 40 000 sheets 1 Set 10 A4 sized sheets of blank paper in the document pickup tray 2 Detach the rear cover 3 Set the DIP switch DSW1 on the ADF controller PCB as illustrated and press the push switch PSW1 and the ADF will deliver all blank sheets from the document pickup tray before it comes to a halt 4 Repeat the above sequence five times...

Page 100: ... separation roller 1 Open the feeder cover 2 Clean pickup roller 1 and separation roller 2 with a lens cleaning wiper or similar material saturated with alcohol 3 Clean the back of the feeder cover and the paper passage area around the sepa ration roller likewise F04 403 03 4 3 4 Separation pad separation plate 1 Open the feeder cover 2 Clean separation pad 1 and separation plate 2 with a lens cle...

Page 101: ...iper or similar material satu rated with alcohol 3 Clean the paper passage areas on the top and bottom of the C guide and Mylar sheet 3 F04 403 05 4 3 6 Delivery reversal roller upper delivery reversal roller lower 1 Detach the front cover 2 Open the document pickup tray 3 While turning delivery reversal roller upper 1 and delivery reversal roller lower 2 with the knob clean them with a lens clean...

Page 102: ... 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 4 8 4 3 7 Reversal flapper 1 Open the feeder cover and the separa tion guide F04 403 07 2 Clean the paper passage areas on the reversal flapper with a lens cleaning wiper or similar material saturated with alcohol ...

Page 103: ...1 CANON INC 2000 2000 2000 2000 CANON DADF H1 REV 0 MAR 2001 4 9 5 Replacement 5 1 Replacing the Feed Roller Guide Dust collecting type 1 Open the ADF 2 Remove two screws 1 to detach feed roller guide 2 F04 501 01 3 Mount the new feed roller guide 1 2 ...

Page 104: ...ing the Stamp 1 Open the feeder cover and the separa tion guide 2 Remove the stamp by using the twee zers 3 Attach the new stamp by using the tweezers Mount the stamp facing up To be reprinted from the Installation In structions F04 502 01 Be sure to push the stamp into firm position because an el evated stamp is prone to jams ...

Page 105: ...re that the copyboard end on the pickup side is in firm contact with the copyboard grass at both front and rear when the DADF is closed F04 601 01 2 If one side is not in contact turn the ad justing screw 1 to adjust the height of the left hinge If the front is not in contact tighten the adjusting screw If the rear is not in contact loosen the adjusting screw F04 601 02 1 ...

Page 107: ...Scanning position adjustment 1 4 Horizontal registration adjustment 2 5 Scale adjustment 2 6 Trailing registration adjustment 2 1 Adjustment from the host set in service mode 2 Two modes of adjustment are available adjusting from the ADF and adjusting from the host set in service mode 1 1 1 Height adjustment 1 Check to see if the pickup side docu ment table stopper comes into contact with document...

Page 108: ...N DADF H1 REV 0 MAR 2001 5 2 If out of tolerances 1 If elevated on one side turn height ad justment screw 1 in the upper part of the left hinge for adjustment If elevated on the front Tighten the adjustment screw If elevated in the rear Loosen the adjustment screw F05 101 02 1 ...

Page 109: ...st chart shown at right using an A4 or LTR sheet of paper F05 101 03 2 Set the test chart created in the docu ment tray and print it in equal size 3 Superimpose the image produced in Step 2 with the test chart to verify its squareness A _1mm B _ 1mm Make this squareness check on a line of the leading part of scanning F05 101 04 Square 10mm 10mm 10mm 10mm A Another sheet Feed direction Paper produc...

Page 110: ...est chart again to make sure that the image falls within tolerances of the specifications 1 1 3 Scanning position adjustment This adjustment adjusts the flow scanning position on the host in relation to the scan ning position on the ADF First perform automatic adjustment Perform automatic adjustment first and if it fails try manual adjustment a Automatic adjustment 1 Turn on the power to the host ...

Page 111: ... the document glass surface of the host and retry the automatic adjustment If it still fails try the following manual adjustment procedure b Manual adjustment 1 Turn on the power to the host to invoke service mode 2 Press 2 and 8 concurrently and then to invoke service mode 3 Starting from the service mode screen touch the following screens in this or der COPIER ADJUST AD XY STRT POS The default a...

Page 112: ...ice mode Adjusting the side regulating plate posi tion of the ADF pickup tray 1 Create a test chart shown at right using an A4 or LTR sheet of paper F05 101 06 2 Set the test chart created in the docu ment tray and print it in equal size 3 Superimpose the image produced in Step 2 with the test chart to verify its compliance with the following toler ances A _1mm B _1mm F05 101 07 Square 10mm 10mm 1...

Page 113: ...oncurrently and then to invoke service mode 3 Starting from the service mode screen touch the following screens in this or der COPIER ADJUST ADJUST ADJ X 4 Find out the optimal value by trying various possible values Adjustment value unit 1 0 1mm The image is shifted forward Increase the value The image is shifted backward Reduce the value 5 Print the test chart again to make sure that the image f...

Page 114: ... fit it into adjustment long hole 5 finger tight 3 Move Document width detection vari able resistor assembly 6 forward or backward for adjustment 4 Tighten loose screw 3 and screw 4 fitted in adjustment long hole 5 finger tight 5 When the adjustment is completed reat tach cover 2 6 Print the test chart again to make sure that the image falls within tolerances of the specifications A 1mm Move varia...

Page 115: ...ller PCB Memo Adjustment would be easier to carry out from the host set in service mode 1 Create a test chart shown at right using an A4 or LTR sheet of paper F05 101 10 2 Set the test chart created in the docu ment tray and print it in equal size 3 Check to see if size A in the test chart and size B in the image produced in Step 2 comply with the following toler ances A _ 1mm B _ 1mm F05 101 11 S...

Page 116: ...ice mode 2 Starting from the service mode screen touch the following screens in this or der FEEDER ADJUST LA SPEED 3 Find out the optimal value by trying various possible values Adjustment value unit 1 0 1 Short image Reduce the value for slower document scanning Long image Increase the value for faster docu ment scanning 4 Print the test chart again to make sure that the image falls within tolera...

Page 117: ...r 2 seconds Start of dis play 2 LED2 off for 1 second 3 Quick display of the sign of the setting at 0 1 second intervals LED2 flashes twice to indicate positive or once to indicate negative 4 Flashing slowly the number of times specified by the tens place at 0 8 sec ond intervals 5 Flashing slowly the number of times specified by the ones place at 0 2 sec ond intervals If the setting is positive a...

Page 118: ... 4 Press the push switch PSW1 to update the setting as it is displayed by the LED indicator 5 Print the test chart again to make sure that the image falls within tolerances of the specifications 6 When the adjustment is completed set all ADF controller PCB DIP switch DSW1 bits to OFF T05 101 01 Setting 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8...

Page 119: ...B Memo Adjustment would be easier to carry out from the host set in service mode 1 Create a test chart shown at right using an A4 or LTR sheet of paper F05 101 15 2 Set the test chart created in the docu ment tray and print it in equal size 3 Check to see if size A in the test chart and size B in the image produced in Step 2 comply with the following toler ances A _ 1mm B _ 1mm F05 101 16 Square 1...

Page 120: ... and 8 concurrently and then to invoke service mode 3 Starting from the service mode screen touch the following screens in this or der FEEDER ADJUST DOCST 4 Find out the optimal value by trying various possible values Integer unit 1 0 5mm The image appears shifted to left Increase the value The image appears shifted to right Reduce the value 5 Print the test chart once again to see if the resultan...

Page 121: ...count 1 LED2 lit for 2 seconds Start of dis play 2 LED2 off for 1 second 3 Quick display of the sign of the setting at 0 1 second intervals LED2 flashes twice to indicate positive or once to indicate negative 4 Flashing slowly the number of times specified by the tens place at 0 8 sec ond intervals 5 Flashing slowly the number of times specified by the ones place at 0 2 sec ond intervals If the se...

Page 122: ...nt range 10 1 slows the image start signal output timing by 0 5mm T05 101 02 4 Press the push switch PSW1 to update the setting as it is displayed by the LED indicator 5 Print the test chart again to make sure that the image falls within tolerances of the specifications 6 When the adjustment is completed set all ADF controller PCB DIP switch DSW1 bits to OFF Setting 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 ...

Page 123: ...r 2 Set the DIP switch DSW1 on the ADF controller PCB as illustrated and press the push switch PSW1 to let the ADF into tray width detection variable resis tor adjustment mode Perform 1 for the AB system 2 for the inch system or either 1 or 2 for the AB inch system F05 102 01 Action 1 Scanning speed adjustment 2 Leading registration adjustment 3 Tray width detection variable resis tor adjustment 1...

Page 124: ...e and press push switch PSW1 AB system A3 or A4 Inch system 11X17 or LTR Pressing push switch PSW1 will cause LED2 to flash fast for AB system or LED4 to flash fast for the inch system 5 Set the following kinds of paper in the document pickup tray adjust the slide and press the push switch PSW1 AB system A5R Inch system LTRR or STMT 7 When the writing of the adjustment value ends the LED goes off ...

Page 125: ...ween the host and the ADF con nected properly NO Correct the cable connection Connector connection 2 Is ADF controller PCB connector J1 connected properly NO Correct the cable connection Cable ADF controller PCB 3 Is the cable leading from ADF controller PCB connector J1 to communication cable connected properly NO Correct the cable connection YES Replace the ADF controller PCB 2 1 4 Black streaks...

Page 126: ...0 PI1 PI6 PI7 PI8 Symbol name Photointerrupter Document Set LED Function ADF open closed sensor A4R LTRR identification sensor Tray sensor 1 Tray sensor 2 End of document sensor Registration roller paper sensor Read sensor Delivery reversal sensor Cover open closed sensor Document set sensor Document presence absence indicator Symbol PI1 PI2 PI3 PI4 PI5 PI6 PI7 PI8 PI9 PI10 LED T05 301 01 ...

Page 127: ...s solenoids PCB etc F05 302 01 VR1 SL1 SL2 M1 PCB1 PCB2 M2 Symbol name Motor Solenoid ADF controller PCB Junction PCB Variable resistor Symbol M1 M2 SL1 SL2 PCB1 PCB2 VR1 Function Feed motor Pickup motor Locking solenoid Stamp solenoid ADF control Document pickup tray sensor relaying Document width detection T05 302 01 M SL ...

Page 128: ...tended for factory use only Special tooling and instrumentation are required to make adjustments and checks using these check pins These pins require critical accuracy and must not be touched in the field 4 1 ADF Controller PCB Some LEDs illuminate slightly even when off because they carry leak current under nor mal conditions of operation These LEDs should not be recognized as signifying faults 4...

Page 129: ...d below T05 401 01 Function Normal operation Adjustment DIP switch setting Contents Normal operating state Tray width detection variable resistor adjust ment AB system See P 5 17 Tray width detection variable resistor adjust ment inch system See P 5 17 Scale adjustment first side See P 5 11 Scale adjustment second side See P 5 11 Trailing registration adjustment See P 5 13 Registration cleaning Se...

Page 130: ...le sided operation Double sided operation No stamp Stamp Durability mode Press the push switch PSW1 to let the ADF run continuously Run the ADF without pa per loaded since a timing has not been de tected 33 ipm equivalent Start Stop 25 ipm equivalent Start Stop Feed motor operation test Press the push switch PSW1 to let the ADF run continuously Run the ADF without pa per loaded since a timing has ...

Page 131: ...un the ADF without paper loaded since a timing has not been detected Forwarding 70 140 280 0 Reversing 70 140 280 0 Solenoid actuation test There are two modes of operation avail able ON OFF mode in which the sole noid turns on and off alternately each time the push switch PSW1 is pressed and continuous mode in which the solenoid turns on only while PSW1 is pressed Locking solenoid ON OFF Stamp so...

Page 134: ...s to the host Three kinds of information may be transmitted as described below These are identified by the Document Set LED and ADF controller PCB LEDs Description Alarm Jam Error T05 501 01 When alarms or jams occur their codes can be viewed by setting the host in service mode When errors occur the corresponding error codes are displayed on the host screen Document Set LED flashing state Flashing...

Page 135: ...ration roller paper sensor de lay jam No document is available in the tray to complete the transfer of the number of sheets to be recovered during a jam re covery operation The read sensor turned OFF after the leading sheet of the document had been fed to the scanning posi tion Host operation Stops running and flashes the Docu ment Set LED Stops running and flashes the Docu ment Set LED Stops runn...

Page 136: ...error when the power to the to the host was turned on E421 Main causes ADF controller PCB fault EEPROM error How to detect Backup data could not be written to EEPROM E421 Main causes ADF controller PCB fault EEPROM error How to detect Backup data written to EEPROM was found in error E422 Main causes IPC communication error Disrupted communication line ADF controller PCB fault How to detect Communi...

Page 137: ... M2A J8 4 output Bit 6 Pickup motor phase output M2B J8 5 output Bit 7 Pickup motor phase output M2B J8 6 output IO P03 Bit 0 input Bit 1 Bit 2 Image start signal EDGO J1 2 IO P04 Bit 0 EEPROM Data input Bit 1 EEPROM data output Bit 2 EEPROM clock EEPROM_CK Bit 3 EEPROM Chip Select EEPROM_CS Bit 4 Document sensor EMPS J4 3 H Paper present Bit 5 Cover open closed sensor COVERS J4 6 L Open Bit 6 Fee...

Page 138: ...J7 5 Bit 3 Feed motor phase output M1B J7 6 Bit 4 Bit 5 Bit 6 Read sensor 1 READS J3 9 H Paper present IO IPC09 Bit 0 LED4 output Bit 1 LED3 Bit 2 LED2 Bit 3 LED1 Bit 4 Bit 5 Bit 6 Bit 7 IO IPC10 Bit 0 DIP SW8 Input Bit 1 DIP SW7 Bit 2 DIP SW6 Bit 3 DIP SW5 Bit 4 DIP SW4 Bit 5 DIP SW3 Bit 6 DIP SW2 Bit 7 DIP SW1 AD P01 Document width detection variable resistor analog analog port AD P02 Feed motor...

Page 140: ...low Scanning a Single sided A4 Document Start key ON Document set sensor PI10 Document separation feed Document scanning Document delivery Motor reversing Registration roller paper sensor PI6 Read sensor PI7 Delivery reversal sensor PI8 Pickup motor M2 Feed motor M1 Locking solenoid SL1 Reversing Forwarding ...

Page 141: ... Next Document reversal Idle document reversal Document back scanning Document face scanning Delivery Document separation feed Start key ON Document set sensor PI10 Motor reversing Registration roller paper sensor PI6 Read sensor PI7 Delivery reversal sensor PI8 Pickup motor M2 Feed motor M1 Locking solenoid SL1 Reversing Forwarding ...

Page 142: ...tection signal A_SL Locking Solenoid Drive signal COVERS Feeder Cover Open Closed Detection signal EJTS Delivery Reversal Detection signal EMPS Document Set Detection signal ENDS End of Document Detection signal LED Document Set LED signal LENG1S Document Length Detection signal 1 LENG2S Document Length Detection signal 2 M1A Feed Motor Drive signal M1A Feed Motor Drive signal M1B Feed Motor Drive...

Page 144: ...solenoid SL1 Stamp solenoid SL2 Document Set LED LED1 M M SL SL J14 LED PCB J23 A_SL 24VP ADF controller PCB SGND EDGO RXD TXD SGND 24VR SGND PGND 24VP J401 J402 I F connector Vcc SGND EMPS Vcc SGND COVERS 5V SGND A4R LTR Vcc SGND ADFOPS Vcc SGND REGS Vcc SGND READS Vcc SGND EJTS LENG1S LENG2S ENDS VR J4 J101 J5 J6 1 2 3 4 5 6 7 8 9101112 J3 PI1 ADF open closed sensor PI7 Read sensor PI6 Registrat...

Page 145: ... P73 AN3 P72 AN2 P71 AN1 P70 AN0 AVCC P67 TMOX CIN7 KIN7 IRQ7 P66 FTOB CIN6 KIN6 IRQ6 P65 FTID CIN5 KIN5 P64 FTIC CIN4 KIN4 CLAMP0 P63 FTIB CIN3 KIN3 VFBACK1 P62 FTIA CIN2 KIN3 VFBACK1 P61 FTIA CIN1 KIN3 VSVNC0 P60 FTIA CIN0 KIN3 HFBACK1 TMIN PW3 A3 P13 PW2 A2 P12 PW1 A1 P11 PW0 A0 P10 HDB0 D0 P30 HDB1 D1 P31 HDB2 D2 P32 HDB3 D3 P33 HDB4 D4 P34 HDB5 D5 P35 HDB6 D6 P36 HDB7 D7 P37 VSS HA0 P80 GA20 ...

Page 146: ...RXD A501 S_TXD C23 C24 C25 R31 R36 R32 5V 5V CP17 C26 C27 R91 5V R93 CP38 CP39 IC6 5V C21 IC4 VOUT VIN LIN GND J1 J1 J1 J1 C45 R41 24VR C18 D1 5V CP4 C17 TXD1 A501 RXD1 A501 EDGO A501 CP19 IC6 R38 R40 Q1 R39 R26 R27 C44 C43 J1 J1 J1 C20 D5 D4 5V CP18 CP12 R37 Q2 R24 C42 5V EDGO EMPS SGND 24VR SGND SGND 24VR 5V SGND A4R LTR LENG1S LENG2S ENDS VR 2 3 4 6 7 1 5 1 2 1 2 1 2 4 3 2 1 1 1 1 1 1 2 13 12 1...

Page 147: ...8 C28 C29 R49 R56 R54 R50 C30 IC6 IC6 IC6 CP23 R53 C31 IC6 C19 CP10 IC5 5V 5V CP24 CP25 C32 IC9 R59 C33 RA3 RA3 CP26 5V R58 RA1 RA1 R57 IC7 OUTA REFA IN_A VSA RSA OUTB SYNCB GNDB INB SYNCA GNDA INA OUT_A RSB VSB REFB IN_B OUT_B 2 4 6 8 10 12 14 16 18 1 3 5 7 9 11 13 15 17 CP27 5V 5V RA1 RA1 RA3 RA3 C34 R60 24V FU2 J7 24VP 24VP M1A M1A M1B M1B N C J7 J7 J7 J7 J7 J7 A501 RMOT_A A501 RMOT_B 5 6 7 8 4...

Page 148: ... IC6 5V 5V CP34 CP31 IC9 R72 C37 RA4 RA4 CP33 5V R73 RA2 RA1 R80 IC8 OUTA REFA IN_A VSA RSA OUTB SYNCB GNDB INB SYNCA GNDA INA OUT_A RSB VSB REFB IN_B OUT_B 2 4 6 8 10 12 14 16 18 1 3 5 7 9 11 13 15 17 CP32 5V 5V RA2 RA2 RA4 RA4 C38 R70 24V FU3 J8 24VP 24VP M2A M2A M2B M2B J8 J8 J8 J8 J8 A501 KMOT_A A501 KMOT_ B VCC SGND COVERS Vcc SGND EMPS STAMP_SOL A501 A_SOL LED A_SL 24VP STAMP_SL 24VP LED 24V...

Page 150: ...CB Block Diagram J201 J201 J201 1 2 1 2 3 R101 R102 R103 R104 R105 J102 J102 J102 J102 J102 J102 J102 J102 J102 J102 J102 J102 J102 J102 J102 J101 J101 J101 J101 J101 J101 J101 VR ENDS LENG2S LENG1S A4R LTR SGND 5V Vcc SGND A4R LTR Vcc SGND LENG1S Vcc SGNG LENG2S Vcc SGND ENDS 5V SGND VR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 ...

Page 151: ...on roller sensor delay jam 2 0002 Registration roller sensor stack jam 3 0003 Read sensor delay jam 4 0004 Read sensor stack jam 5 0005 Delivery sensor delay jam 6 0006 Delivery sensor stack jam 7 0007 ADF open jam 8 0008 User ADF open jam 9 0009 ADF cover open jam 10 000A User ADF cover open jam 11 000B Initial stack jam 12 000C Pickup failure ...

Page 152: ... 2 Shape Rank Use Remarks Tool No Note Ranks A Each service engineer should be equipped with one unit of this tool B One unit of this tool need be maintained for each group of five or so C One unit of this tool need be maintained in each workshop No 1 2 BYUKKURIN C 17 Lubricant Cleaning Examples Glass plastic materials rubber exterior covers Driving and sliding parts Hydrofluorocarbon Alcohols Sur...

Page 154: ... MAR 2001 PRINTED IN U S A Prepared by Office Imaging Products Technical Support Division Office Imaging Products Quality Assurance Center CANON INC Printed in U S A REVISION 0 MAR 2001 25089 5 1 Hakusan 7 chome Toride shi Ibaraki 302 8501 Japan ...

Page 155: ...PRINTEDINU S A This publication is printed on 100 reprocessed paper ...

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