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PUBBLICATION ISSUED BY:

Olivetti TECNOST  S.p.A.

Documentazione
77, Via Jervis - 10015 Ivrea (Italy)

Copyright   ©  2002, Olivetti
All rigths reserved

Summary of Contents for d-Copia 12

Page 1: ...d Copia 12 Copier SERVICE MANUAL Code Y101700 5 ...

Page 2: ...PUBBLICATION ISSUED BY Olivetti TECNOST S p A Documentazione 77 Via Jervis 10015 Ivrea Italy Copyright 2002 Olivetti All rigths reserved ...

Page 3: ...the retina The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing 1 When a problem in the laser optical unit has occurred the whole optical unit must be exchanged as a unit not as individual parts 2 Do not look into the machine with the main switch turned on after removing the developer unit toner cartridge and drum cartridge 3 Do not look...

Page 4: ...vi Service Manual Y101700 5 ...

Page 5: ...ormed Inadditiontotheautomaticexposuremode themanual exposure can be adjusted in five steps The photo mode copying function which allows clear copying of delicate halftone original images such as monochrome photos and color photos can be used Substancialcopyingfunctions Zoomcopyingfrom50 to200 in1 incrementscan beperformed A maximum of 99 copies can be selected Toner save mode for reducing toner c...

Page 6: ...User adjustment of paper guide available Single sheet Paper size A4 B5 A5 B6 A6 Landscape manual bypass Paper weight 52 128g m2 feed section Kinds 1 Standard paper specified paper recycled paper OHP Label Postal card Remark User adjustment of paper guide available Tray paper Paper size 8 1 2 14 8 1 2 11 8 1 2 5 1 2 Landscape feed section Paper weight 15 21 lbs Paper feed capacity 250 sheets Kinds ...

Page 7: ...Life 18k Charging system Saw tooth charging with a grid scorotron discharge Image forming Charger Transfer system DC corotron system Separation system DC corotron system Developing Developing system Dry 2 component magnetic brush development system Cleaning Cleaning system Counter blade system Counter to rotation Fusing system Heat roller system Upper heat roller Type Teflon roller Fusing section ...

Page 8: ...e 23 sec or below AB system A4 Copy speed CPM Same size 12 Landscape Enlargement 12 Reduction 12 B5 Landscape Copy speed CPM Same size 12 Enlargement 12 Reduction 12 Inch system 8 1 2 Copy speed CPM Same size 10 14 Landscape Enlargement 10 Reduction 10 8 1 2 11 Copy speed CPM Same size 12 Landscape Enlargement 12 Reduction 12 Max continuous copy 99 quantity Leading edge 1 4mm Trailing edge 4mm or ...

Page 9: ... Life Package 1 Toner CA Black Toner x10 6 5K 1 with CA Toner Net Weight 210g perunit Polyethylene bag x10 2 Developer Developer x10 25K 1 Developer Net Weight 170g perunit 3 Drum kit Drum x1 25K 10 Drum fixing plate x1 Note Packed together with the machine DR 25K Developer UN Process UN ...

Page 10: ...on Temperature 20 C 25 Humidity 65 5 RH Acceptable operating condition Optical condition Supply storage condition 1 5 Production control number lot No identification Developingcartridge Destination Division No EXDestination A same pack G B same pack H OptionDestination A P B Q Drum cartridge The label on the drum cartridge shows the date of production SOCCproduction JAPAN production ...

Page 11: ...cartridge of a China product 1 6 TD cartridge replacement 1 Open the front and side cabinets of the copier 2 Keep holding Toner lover and 3 Carefully pull out Toner unit from the copier 4 PutTonerunitinacollectionbagimmediatelyafterremoving it from the copier Note NevercarryexposedTonerunit Besuretoputitinthe collection bag ...

Page 12: ... 7 Paper tray 8 Operation panel 9 Original table 10 Parallel interface 11 Paper output tray 12 Paper output tray extension 13 Handle 14 Power switch 15 Power cord socket 16 Toner cartridge lock release lever 17 Toner cartridge 18 Transfer charger 19 Photoconductive drum 20 Charger cleaner 21 Fusing unit release tab 22 Paper feed roller 1 2 3 4 5 6 7 8 9 10 11 12 13 15 14 13 16 17 22 21 20 19 18 ...

Page 13: ...t reduction enlargement copy ratios 5 Zoom indicator 6 Copy ratio display key 7 Display Displays the specified copy quantity zoom copy ratio user program code and error code 8 ON LINE indicator Lights up when the machine is used as a printer or when it is receiving or processing print data 9 Power save indicator Lights up when the copier is in a power save mode 0 Zoom keys N L Use to select any re...

Page 14: ...n 1 Tonermotor TM Suppliestoner 2 Mirrormotor MRMT Drives the optical mirror base scanner unit 3 Coolingfanmotor VFM Cools the optical section 4 Mainmotor MM Drives the copier 5 Resist roller solenoid RRS Resist roller rotation control solenoid 6 Paperfeedsolenoid CPFS1 Cassette paper feed solenoid 1 ...

Page 15: ...aper pass 4 PPD2 sensor PPD2 Transmission sensor Paper transp detection 2 L at paper pass 5 Cassette detect Cassetteinstallation switch CED1 Microswitch installation H at cass insert 6 PPD1 sensor PPD1 Transmission sensor Paper transp detection 1 L at paper pass 7 PPD3 sensor PPD3 Transmission sensor Paper transp detection 3 L at paper pass 8 Door switch DSW Microswitch Door open close detect 1 or...

Page 16: ...PWB For GDI interface 3 Main PWB MCU Copiercontrol 4 Memory PWB 4MB Formemorizingdata 5 LSU PWB For laser control 6 LSU motor PWB For polygon motor drive 7 TCS PWB For toner sensor control 8 OperationPWB Operationinput display 9 CCD sensor PWB For image scanning 10 Power PWB AC power input DC voltage control High voltage control ...

Page 17: ...t Illuminates the original with the copy lamp and passes the reflected light to the ens unit CCD 6 Exposurelamp Exposurelamp Xenonlamp Illuminatesoriginal 7 Heatroller Fuses toner on the paper Teflon roller 8 Pressure roller Fuses toner on the paper Silicon rubber roller 9 Drum Formsimages 10 Transferunit Transfers images onto the drum 11 Manualpaperfeed roller Transport the paper from the manual ...

Page 18: ...Service Manual Y101700 5 1 14 ...

Page 19: ... for easy connection Be sure to connect the power cord only to a power outlet that meets the specified voltage and current requirements Also make certain the outlet is properly grounded Be sure to allow the required space around the machi ne for servicing and proper ventilation 2 2 Cautions on handling Becarefulinhandlingthecopierasfollowstomaintainthe performance of this copier Do not drop the co...

Page 20: ... cover Then open the original cover and remove protective materials a and b 2 Use a coin or suitable object to remove the screw Store the screw in the paper tray because it will be used if the copier has to be moved 2 6 Developer unit installation 1 2 3 Open the side and front cabinets of the copier 4 Remove the locking tape of the developer unit 5 RemovethescrewwhichisfixingthecopierandDeveloper ...

Page 21: ...rt Developer unit carefully into the copier Note Quickinsertionmayresultinsplashofdeveloper Be sure to insert carefully 14 Confirm that Developer unit is completely inserted to the bottom of the machine fix Developer unit and the machine with a screw 15 Completion of Developer unit installation 2 7 Toner cartridge installation 1 To prevent against uneven distribution of toner hold Toner unit with ...

Page 22: ...tion Note Do not hold and carry the shutter Otherwise the shutter may drop and Toner unit may drop 7 Completion of Toner unit installation Close the front and side cabinets 2 8 Loading copy paper 1 Raise the handle of the paper tray and pull the paper tray out until it stops 2 Remove the pressure plate lock Rotate the pressure plate lock to remove it while pressing down the pressure plate of the p...

Page 23: ... the CCD circuit and passed to the MCU Image process 4 The document image signal sent from the CCD circuit is processed under the revised conditions and sent to the LSU laser unit as print data Electric signal Photo signal laser beam conversion 5 The LSU emits laser beams according to the print data Electrical signals are converted into photo signals 6 The laser beams are radiated through the poly...

Page 24: ... elements per inch on the docu ment The basic resolution of this machine is 400dpi Inthesubscanningdirection atthesametime themotor thatdrivestheopticalsystemiscontrolledtoscantheimage at the basic resolution 3 2 2 Basic structure of scanner section Thescannerunitperformsscanninginthedigitalopticalsystem Thelightfromthelightsource Xenonlamp isreflectedby a document and passed through three mirrors...

Page 25: ...power The BF PWB works for measurement of the laser writing start point No Component Function 1 Semiconductorlaser Generateslaserbeams 2 Collimatorlens Convergeslaserbeamsin parallel 3 Polygonmirror Reflects laser beams at a polygonmotor constantrpm 4 BD Mirror lens PWB Detectsstarttiming oflaserscanning 5 fθ lens Converges laser beams at a spot on the drum Makes the laser scanning speeds at both ...

Page 26: ...storinthefusing section to improve transfer efficiency General descriptions are made in the following Generaldescriptions Sincetheupperheatrollerisconductivewhencopypaperis highly moist and the distance between the transfer unit and thefusingunitisshort thetransfercurrentleaksthroughthe copy paper the upper heat roller and the discharging brush 3 4 Fuser section 3 4 1 General description General b...

Page 27: ...rger 11 Pickup roller 2 Copy lamp 7 Heat roller 12 Manual paper feed roller 3 Lens unit 8 Pressure roller 13 PS roller unit 4 LSU Laser unit 9 Drum 14 Paper feed roller 5 Paper exit roller 10 Transfer unit Paper feed is made in two ways the cassette paper feed and the manual paper feed The cassette is of universal type and has the capacity of 250 sheets ...

Page 28: ... is brought in contact with the projection of the clutch sleeve stopping rotation of the pick up roller 5 Atthistime thepaperisfedpastthepaperentrydetection switch PPD1 and detected by it After about 0 15 sec from detection of paper by PPD1 the tray paper feed solenoid PFS turnsonsothattheclutchsleeveprojection comes into contact with the paper feed latch to stop the pick up roller Then the pick u...

Page 29: ...d section 7 Rear frame section 8 Power section 4 1 High voltage section 4 1 1 List of parts No Part name Ref 1 Drum 2 Transfer charger unit 3 Charger wire 4 1 2 Drum replacement 1 Remove the drum cover 4 Lock Tabs 2 Remove the drum fixing plate and the photoconductor drum Note Disposethedrumfixingplatewhichwasremoved 3 Checkthecleaningbladeandtheredfeltfornodamage If there is any damage execute al...

Page 30: ... the felt Attach the mocket with slightly pressing the cleaning blade Do not touch the tip of the cleaning blade Do not put the mocket under the cleaning blade Do not put the mocket on the sub blade Do not press the sub blade with the mocket 10 Attach the main charger Securely set the MC holder on the projection of the process frame Securely insert two projections of the MC holder into the groove ...

Page 31: ...n closebuttonandopentheside cover 2 Push up the lock pawls 2 positions of the side cover and remove the transfer charger 4 1 4 Assembly procedure For assembly reverse the disassembly procedure 4 1 5 Charger wire cleaning 1 Remove the charger cleaner from the manual paper feedunit ...

Page 32: ...res 1 and 2 At that time be careful of the following items The rest of the charger wire must be within 1 5mm The spring hook section charger wire winding section must be in the range of the projection section Be careful not to twist the charger wire 4 2 Operation panel section 4 2 1 List of parts No Part name Ref 1 Operationpanelunit 2 OperationPWB 4 2 2 Disassembly procedure 1 Remove the screws 4...

Page 33: ... 4 3 1 List of parts No Part name Ref 1 Copy lamp unit 2 Copy lamp 3 Lens unit 4 3 2 Disassembly procedure 1 Remove the parts as shown below 2 Remove the screws 2pcs and remove the copy lamp unit from the mirror base drive wire 3 Pullthecopylampunittowardyoutoremovetheharness 4 Remove the screw 4 pc and remove the cover ...

Page 34: ... Holdsothatthewindingpulleygrooveisup andwindthe mirror base drive wire 9 turns 4 Putthe8thturnofthemirrorbasedrivewireinthewinding pulley groove and fix with a screw 5 Pass the wire under No 2 3 mirror unit plate and wind it aroundthepulley 6 Pass the wire through the internal groove of the double pulley and pass through the pulley 7 Hook the spring hook on the optical base plate After installing...

Page 35: ...ly 5 Removethethreescrews removethefusingcoverlower on the right side and open the heat roller section 6 Remove the screw and remove the PPD2 sensor 7 Remove the plate spring on the right and remove the heaterlamp 8 Remove the spring and remove the separation pawls 3 pcs 9 Remove the E ring and remove the reverse gate ...

Page 36: ...4 4 2 2 Heat roller disassembly Continued from procedure 4 5 Remove screws remove the fusing cover and open the heat roller section 6 Remove the C ring and the fusing bearing and remove theheatroller 7 Remove the parts from the heat roller Note Apply grease to the sections specified with 8 Remove two screws and remove the thermostat 4 4 3 Assembly procedure For assembly reverse the disassembly pro...

Page 37: ...ateframeunit 4 Paperfeedroller 4 5 2 Disassembly procedure 1 Remove six connectors and screws of the main PWB and lift the optical unit and the main PWB to remove 2 RemovethePWBinsulationmylarandremovethepaper transport detection sensor PPD2 3 Remove two screws and remove the toner motor 4 Remove two springs and open the intermediate frame unit ...

Page 38: ... 5 5 Remove the pulleys on the both sides and remove the paper exit roller 6 Pull out the paper exit roller knob and remove the belt 7 Release the belt pulley lock and remove the belt pulley bearing 8 Remove the paper exit roller ...

Page 39: ... Remove the harness guide 10 Remove five screws and remove the main drive plate and thebelt 11 Remove the parts as shown below and remove the pressurereleasesolenoidandthepaperfeedsolenoid 12 Remove six screws and remove the LSU unit ...

Page 40: ...intermediate frame unit to remove 15 Remove the screw and the E ring and remove the PS semi circular earth plate and the PS roller unit 16 Remove the E ring and remove the spring clutch from the PS roller unit 17 Remove three screws and remove the TC front paper guide 18 Remove the screw and the connector and remove the PPD1 sensor PWB ...

Page 41: ...lutch unit 4 5 3 Assembly procedure For assembly reverse the disassembly procedure 4 6 Manual paper feed section 4 6 1 List of parts No Part name Ref 1 Manualtransportroller 2 Cassette detection switch 3 PPD1 sensor PWB 4 Side door detection unit 4 6 2 Disassembly procedure 1 Remove the screw and remove the single upper cover ...

Page 42: ...00 5 2 Remove the screw and remove the side door detection unit 3 Remove three screws and remove the single manual feedupperframe 4 Remove the PPD1 sensor PWB 5 Remove the E ring and remove the manual paper feed transportroller ...

Page 43: ...itch 7 Remove the multi cover 4 7 Rear frame section 4 7 1 List of parts No Part name Ref 1 Mirrormotor 2 Mainmotor 3 Exhaust fan motor 4 7 2 Disassembly procedure 1 Remove three screws and remove the rear cabinet 2 Remove two screws the harness and the mirror motor ...

Page 44: ...removethe exhaust fan motor 4 7 3 Assembly procedure For assembly reverse the disassembly procedure 4 8 Power section 4 8 1 List of parts No Part name Ref 1 Power PWB 4 8 2 Disassembly procedure 1 Remove two screws and one connector and remove the power PWB 4 8 3 Assembly procedure For assembly reverse the disassembly procedure ...

Page 45: ...When the copy image is distorted as shown below 5 1 1 2 Necessary tools Screwdriver Hex wrench Scale Test chart for distortion adjustment Make a chart shown below by yourself Draw a rectangle on a paper B4 or 8 1 2 x 14 as shown below Be sure to make four right angles 5 1 1 3 Adjustment procedure 1 Remove the right cabinet manual paper feed unit the documentreferenceplate 2 Remove the document gla...

Page 46: ...t with the positioning plate and perform the procedure of step 4 Repeat procedures of steps 4 to 7 until the parallelism of No 2 3 mirror unit is properly set 8 With No 2 3 mirror unit positioning plate in contact with No 2 3 mirror unit bring the copy lamp unit into contact withtherightframeandfixthecopylampunittothedrive wire Procedures1to8areforadjustmentofmechanical horizontal parallelism The ...

Page 47: ...balance is adjusted by changing the left and right balance of the No 2 scanner unit frame on the front frame side 5 1 2 1 Note Horizontal image distortion adjustment 5 1 2 2 Cases when the adjustment is required 1 When the copy lamp unit No 2 3 mirror unit drive section is disassembled or its part is replaced 2 When the copy image is distorted as follows 5 1 2 3 Necessary tools Screwdriver Screwdr...

Page 48: ...inscanning front rear directionmagnificationratioadju stmentautomatically Manualadjustment Theadjustmentismadebymanualkey operations Ineitheroftheautomaticandmanualadjustmen ts the zoom data register set value is changed for adjust ment Themagnificationratiointhesubscanningdirectionis adjusted by changing the mirror base scanner scanning speed 5 2 1 Main scanning direction magnification ratio adju...

Page 49: ...f main scanning direction copy magnification ratio with the copy quantity set key and press the COPY button 10 Changethesetvalueandrepeattheadjustmentuntilthe ratio is within the speoified range When the set value is changed by 1 the magnification ratio is changed by 0 1 5 2 2 Sub scanning direction copy magnificationratio Beforeperformingthisadjustment thefollowing adjustments must have been comp...

Page 50: ...e Lens unit number 2 8 Attach the lens unit at 2 scales in the paper exit direction from the reference line Note Nevertouchtheotherscrewsthantheunitattachment screw The lens unit is supplied only in a whole unit 5 2 4 Image position adjustment Therearefollowingfivekindsofimagepositionadjustments which are made by laser control except for the image scan start position adjustment For the adjustments...

Page 51: ...sure the image loss amount R mm of the scale image Set C 10 x R mm Example Set the value of C to 30 When the value of C is increased by 10 the image loss is decreased by 1mm Default 50 5 Measure the distance H mm between the paper lead edge and the image print start position Set A 10 x H mm Example Set the value of A to 50 When the value of A is increased by 10 the image lead edge is shifted to th...

Page 52: ...leaned When a part in the optical section is replaced When the optical section is disassembled When the OPC drum is replaced When the main control PWB is replaced When the EEPROM on the main control PWB is replaced When the memory trouble U2 occurs Test chart comparison table Auto Mode Brightness 1 step only ManualMode Brightness 5 steps Adjustment of only the center brightness is made PhotoMode B...

Page 53: ... white paper on the test chart and close the document cover 5 3 5 2 Perform the adjustment in each mode 1 Execute SIM 46 1 2 Select the mode to be adjusted with the exposure mode select key Set the exposure level to 3 for all adjustment Except for the auto mode 3 Make a copy Check the adjustment level shown in the above table of the exposure test chart Gray Scale When too bright Decrease the value...

Page 54: ...Use a digital multi meter with internal resistance of 10MW or more measurement After adjusting the grid LOW output adjust the HIGH output Do not reverse the sequence 5 4 1 1 Procedures 1 Set the digital multi meter range to DC700V 2 Set the positive side of the test rod to the connector CN11 3 GRID ofhighvoltagesectionofthepowerPWB and set the negative side to the frame ground radiating plate 3 Ex...

Page 55: ...put check 03 GridVoltage Low 06 Transfer charger 10 Other None Toner motor aging 14 Trouble None Cancel troubles other than U2 reset 16 U2Trouble None Cancel of U2 trouble reset 20 Manteinance 01 Manteinance mini manteinance counter clear counter clear 21 Counter setup 01 Manteinance cycle setup When 02 Mini manteinance cycle setup manteinance 22 Counter 01 Maintenance mini maintenance counter dis...

Page 56: ...or operation 01 Paper sensor display status check standard provision 43 Fusing temp 01 Normal copy setup 04 Fusing temperature setup 2 46 Exposure 01 Copy density adjustment adjustment 19 Gamma table adjustment Copy mode 48 Magnification 01 Front rear scan ditrection ratio correction 50 Lead edge 01 Lead edge image position adjustment adjustment Paper lead edge rear edge void adjustment 10 Paper c...

Page 57: ...eed solenoid ON Operation Procedure When the START key is pressed the paper feed solenoid selected by the tray select key repeats ON 500ms and OFF 500ms 20 times Resist solenoid ON Operation Procedure When the START key is pressed the resist solenoid RRS repeats ON 500ms and OFF 500ms 20 times Warm up display and aging with jam Operation Procedure 1 When the simulation is executed warming up is st...

Page 58: ...on Procedure 1 When the START key is pressed the EEPROM total counter check sum is rewritten and the trouble is canceled 2 After canceling the trouble the simulation is also automatically canceled Maintenance mini maintenance counter clear When the Print switch is pressed the maintenance counter is cleared and 000000 is displayed When the destination has been set to Japan AB series the mini mainte...

Page 59: ...the maintenance preset value is displayed When the destination is set to Japan AB series the mini maintenance preset value is displayed Total counter display The total count value is displayed in 3 digits 2 times repeatedly Display example 12345 012 Blank 345 Blank 012 0 7s 0 3s 0 7s 1 0s 0 7s Developer counter display The display method is the same as the total count value display Drum counter di...

Page 60: ... Operation Procedure 1 When this simulation is executed the currently set bypass code number is displayed 2 Enter the code number corresponding to the bypass and press the START key and the setting will bechanged Code number Bypass 0 Single bypass 1 Multi bypass SPF setup When this simulation is executed the currently set SPF code number is displayed Enter the code number of the SPF to be set and ...

Page 61: ...e 1 When this emulation is executed the currently set destination code number is displayed 2 Enter the code number corresponding to the destination and press the START key and the setting will be changed Codenumber Destination 0 Inch series 1 EX AB series 2 Japan AB series Machine conditions check Operation Procedure When this simulation is executed the current machine setting is displayed CPM Cop...

Page 62: ...ode number of CE mark application and press the START key and the setting will be changed Code number CE mark application setting 0 CE mark application control OFF 1 CE mark application control ON Cancel of stop at developer life over When this simulation is executed the current set code is displayed Enter a new code and press the PRINT switch and the entered code is registered Code number Setting...

Page 63: ...mber and press the START key and the setting will be changed For any number different from the following ones the default time is automatically set Code number Setting 0 Default 330 msec 1 40 msec 2 30 msec 3 20 msec 4 10 msec 5 Default 330 msec 6 10 msec 7 20 msec 8 30 msec 9 40 msec Side void setup Operation Procedure 1 When this simulation is executed the currently set code number of the side v...

Page 64: ...rtridge replacement lamp Paper exit paper detection POD AE lamp Single manual feed paper detection MFD Exposure level 1 Light lamp Cassette A4 width detection PSW1 Fusing temperature setup Normal copy Operation Procedure 1 When this simulation is executed the currently set code number is displayed 2 Enter the code number and press the START key and the setting will be changed Code number Set tempe...

Page 65: ...he clear key to store the set value and exit the simulation Copy mode Display lamp AE mode AE mode lamp TEXT mode TEXT mode lamp PHOTO mode PHOTO mode lamp TS mode TEXT TEXT mode lamp PHOTO mode lamp TS mode AE AE mode lamp PHOTO mode lamp Relationship between the displayed values and the GAMMA ADJUST register Exp1 Exp2 Exp3 Exp4 Exp5 AE 24 12 0 12 24 TEXT 24 12 0 12 24 PHOTO 24 12 0 12 24 T S 24 ...

Page 66: ...alue 50 2 When the copy mode select key is pressed the setting mode and the setting display arechangedsequentially The selected adjustment mode is indicated by the lamps as follows 3 In the front rear scanning direction adjustment when the START key is pressed the mirror base unit moves to the white plate for shading and the width of the reference line is read and the correction value is calculate...

Page 67: ... and the simulation mode is terminated Adjustment mode Lighting lamps Print start position Cassette AE Cassette lamps Print start position Manual paper feed AE Manual feed lamps Image lead edge void quantity TEXT lamp Image scan start position PHOTO lamp Image rear edge void quantity AE TEXT PHOTO lamps Adjustment method 1 Set the print start position A AE ON the lead edge void amount B TEXT ON th...

Page 68: ...changed sequentially The selected adjustment mode is indicated by the lamps as follows 3 Enter the adjustment value with the 10 key and press the SORT key Then the set value is stored and a copy is made 4 Press the clear key to store the set value and exit the simulation Single manual paper feed Adjustment mode Display lamp Cassette paper feed AE Cassette lamp Manual paper feed AE blinking Cassett...

Page 69: ...tate of the optical system Operation Procedure 1 When this simulation is executed warming up is made and the ready lamp is lighted 2 Select with the cassette select key and press the start key Paper is fed from the cassette and printing is performed In the 1 by 2 mode one line is printed and two lines are not printed Main code 64 Sub code 1 ...

Page 70: ...time after starting feeding mirror home position sensor MHPS does not turn OFF Or when the mirror base is fed for the specified time about 6 sec after start of copy return the mirror home position sensor MHPS does not turn OFF L3 00 Return is not completed When the mirror base is returned for the specified time within the specified time 6 sec in mirror initializing after turning on the power the m...

Page 71: ... code Sub code Trouble content Detail of trouble U2 01 Counter sum check error When the counter check sum value stored in the EEPROM is abnormal U2 04 EEPROM serial When a communication trouble occurs with the EEPROM communication error ...

Page 72: ...Y101700 5 Service Manual 7 1 7 MAINTENANCE 7 1 Maintenance table 7 2 Maintenance display system ...

Page 73: ...Service Manual Y101700 5 1 14 ...

Page 74: ...Y101700 5 Service Manual 8 1 8 ELECTRICAL SECTION 8 1 Block diagram 8 1 1 Overall block diagram ...

Page 75: ...8 2 Service Manual Y101700 5 8 2 MCU PWB unit ...

Page 76: ...he initial state Auto shut off When the copier is left unused with the power ON the power consumption 5 min timer is automatically reduced to about 18Wh H Note The time to start this function can be set in the range of 2 min to 120 min When this function is operated all the lamps except for the pre heat lamp on the operation panel turn off To return to the initial state press the COPY button Auto ...

Page 77: ... Function Set code Funtion Set code Name Name Name Name 0 Cancel 0 30 sec 0 2 min 0 Cancel 1 30 sec 1 60 sec 1 5 min 1 Setting Auto clear 2 60 sec Preheat 2 90 sec Auto shut 2 15 min Auto shut time 3 90 sec offtimer 3 30 min off 4 120 sec 4 60 min 5 10 sec 5 120 min Factory setting 5 Press the print key The right hand number in the display will be steadily lit and the entered value will be stored ...

Page 78: ...UPD UPD UPD UPD UPDA A A A ATING ST TING ST TING ST TING ST TING STA A A A ATUS TUS TUS TUS TUS DATE PAGES UPDATED PAGES CODE 02 2002 1ST EDITION 78 Y101700 5 ...

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