Kyocera ECOSYS P7035cdn Service Manual Download Page 110

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2PR

1-5-24

1-5-7 Fuser section

(1) Detaching and refitting the fuser unit

Procedure

1. Remove the outer covers (See page 1-5-3).
2. Remove five connectors.

Figure 1-5-31

3. Open the duplex unit B.
4. Remove two screws.
5. Remove the fuser unit.
6. Check or replace the fuser unit and refit all

the removed parts.

Figure 1-5-32

Connector

Connectors

Screw

Duplex unit B

Fuser unit

Summary of Contents for ECOSYS P7035cdn

Page 1: ...SERVICE MANUAL Published in May 2014 842PR111 2PRSM061 Rev 1 ECOSYS P7035cdn...

Page 2: ...icials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON LE...

Page 3: ...Revision history Revision Date Replaced pages Remarks 1 20 May 2014 Contents 1 1 2 1 3 2 to 7 1 6 3 1 6 4 2 4 3 Address...

Page 4: ...This page is intentionally left blank...

Page 5: ...sonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves...

Page 6: ...this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect com pliance with warning messages using this symbol Symbols The triangle symbol indicates...

Page 7: ...or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around th...

Page 8: ...carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it i...

Page 9: ...caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by followi...

Page 10: ...This page is intentionally left blank...

Page 11: ...1 4 28 1 No image appears entirely white 1 4 29 2 No image appears entirely black 1 4 30 3 A specific color is printed solid 1 4 30 4 The back side gets dirty 1 4 30 5 Image is too light 1 4 31 6 The...

Page 12: ...g and refitting the high voltage PWB 1 1 5 34 5 Detaching and refitting the high voltage PWB 2 1 5 41 1 5 9 Others 1 5 42 1 Detaching and refitting the laser scanner unit 1 5 42 2 Direction of install...

Page 13: ...2PR 2 4 Appendixes 2 4 1 Appendixes 2 4 1 1 Wiring diagram 2 4 1 2 Repetitive defects gauge 2 4 3 3 Maintenance Kitt 2 4 4...

Page 14: ...2PR This page is intentionally left blank...

Page 15: ...4 35 sheets min Letter 37 sheets min Legal 30 sheets min B5 37 sheets min A5 37 sheets min Duplex A4 35 sheets min Letter 37 sheets min Legal 28 sheets min First print time A4 feed from cassette B W 8...

Page 16: ...Speed USB Network 1 10BASE T 100BASE TX 1000BASE T USB memory slot 1 Hi speed USB Option e KUIO slot 1 Resolution 600 dpi Operating environment Temperature 10 to 32 5 C 50 to 90 5 F Humidity 15 to 80...

Page 17: ...cover Top tray 5 MP Multi Purpose tray 6 Paper cassette 7 Power switch 8 Left side cover 9 Waste toner box 10 Toner Container M 11 Toner Container C 12 Toner Container Y 13 Toner Container K 14 Paper...

Page 18: ...tion panel Figure 1 1 2 1 2 3 5 6 9 4 7 8 11 10 1 Message display 2 Ready indicator 3 Data indicator 4 Attention indicator 5 Arrow keys 6 MENU key 7 OK key 8 Stop key 9 Left select key 10 Right select...

Page 19: ...Drum unit C 6 Drum unit Y 7 Drum unit K 8 Main charger unit M 9 Main charger unit C 10 Main charger unit Y 11 Main charger unit K 12 Laser scanner unit 13 Developing unit M 14 Developing unit C 15 De...

Page 20: ...2PR 1 1 6 This page is intentionally left blank...

Page 21: ...d low humidity an abrupt change in the environmental temperature and cool or hot direct air Avoid places subject to dust and vibrations Choose a surface capable of supporting the weight of the machine...

Page 22: ...1 12 4 3 1 Printer 2 Outer case 3 Bottom pad 4 Main pad 5 Upper pad 6 Machine cover 600 600 900 7 Machine cover 8 Upper tray 9 Left upper pad 10 Right upper pad 11 Toner container Black 12 Toner conta...

Page 23: ...om pad FL 5 Bottom pad FR 6 Bottom pad BL 7 Bottom pad BR 8 Main pad 9 Upper tray US 10 Machine cover 600 600 900 11 Machine cover 12 Cassette cushion US 13 Left upper pad 14 Right upper pad 15 Toner...

Page 24: ...ion guide 2 Remove two tapes B and then remove two stoppers 3 Remove three tapes C 4 Remove the panel sheet Figure 1 2 4 5 Open the top cover 6 Remove the upper inner pad assembly 7 Remove the tape Fi...

Page 25: ...3 Insert the expansion memory modules into the expansion memory socket so that the notches on the memory align with the corre sponding protrusions in the slot 4 Refit the main PWB 5 Print a status pa...

Page 26: ...inter power is on Doing so may cause damage to the printer and the SD card 2 Remove the two screws and the option interface slot cover Figure 1 2 8 3 Insert the SD card into the SD card slot Push it i...

Page 27: ...printer power is on Doing so may cause damage to the printer and the SSD 2 Remove two screws and then remove the option interface slot cover 3 Insert the SSD into the option interface slot Push it in...

Page 28: ...2PR 1 2 8 This page is intentionally left blank...

Page 29: ...rm drum surface refreshing See page 1 3 10 LSU To perform LSU dust shield glass cleaning See page 1 3 11 DRUM2 To setting fuser heater control in a sleep mode See page 1 3 11 Writing Data To write dat...

Page 30: ...XXXX XXXXXXXX XXXXXXXX Service Status Page Printer Memory status Standard Size Option Slot Total Size Controller Information XXXXXXXXXXXXXXXX 128 0 KB 128 0 KB 2 0 GB Time Local Time Zone Date and Tim...

Page 31: ...001234abcd567800001234abcd5678 01234567890123456789012345678901 0008 00 07 12345678 11223344 00001234abcd567800001234abcd5678 01234567890123456789012345678901 0008 00 07 2PR_D100 001 005 0000000000000...

Page 32: ...nce of the optional paper feeder 4 Installed Not Installed 16 Presence or absence of the optional memory card Installed Not Installed 17 Presence or absence of the optional SSD Installed Not Installed...

Page 33: ...1 Paper feeder 2 Paper feeder 3 Paper feeder 4 Duplex Page rotation 31 Left offset for each paper source MP tray Paper feeder 1 Paper feeder 2 Paper feeder 3 Paper feeder 4 Duplex Page rotation 32 Mar...

Page 34: ...tion mode 48 Reset the prescribe environmental 0 OFF 1 ON 49 Media type attributes 1 to 28 Not used 18 19 20 For details on settings refer to MDAT command in Prescribe Com mands Reference Manual Weigh...

Page 35: ...Toner low detection level 0 to 100 64 Full page printing Mode 0 Normal Mode 1 Full Page Mode 65 Wake Up Mode 0 OFF 1 ON 66 Wake Up timer Wake Up Time 67 BAM conformity Mode setting 0 Un suiting Mode...

Page 36: ...developing and drum units of four colors Procedure 1 In the Service Setting menu press the arrow key to select Test Page 2 Press the OK key A confirmation screen appears 3 Press Yes Left select key A...

Page 37: ...ng the maintenance kit Drum unit 4 See page 1 5 15 Developing unit M C Y and K See page 1 5 12 Fuser unit See page 1 5 24 Intermediate transfer unit See page 1 5 16 Paper feed roller assembly See page...

Page 38: ...gure 1 3 4Developer refreshing Image data Drum Drum surface refreshing Description Rotates the drum approximately 2 minutes with toner lightly on the overall drum using the high voltage output control...

Page 39: ...urning DRUM2 mode to On will allow drum refresh mode to start without delay even under such environment However power consumption of the machine during sleeping mode will increase Procedure 1 In the S...

Page 40: ...emarks Details of configurations See above 4 Notes on Connecting to USB 1 Save the Prescribe commands above as a text file in the PC 2 Select the Sharing tab of the printer properties and share the pr...

Page 41: ...1 01 4020 01 08 01 01 0501 01 08 01 01 4020 01 08 01 01 0501 01 08 01 01 4020 01 08 01 01 0501 01 08 01 01 4020 01 08 01 01 0501 01 08 01 01 4020 01 08 01 01 Data and Time 2013 03 02 11 11 2013 03 02...

Page 42: ...ensor 1 does not turn ON Paper feeder 2 2 1404 PF feed sensor 1 does not turn ON Paper feeder 3 2 1405 PF feed sensor 1 does not turn ON Paper feeder 4 2 1420 PF feed sensor 1 is turned ON 2 1604 PF f...

Page 43: ...per feeder 1 G 4213 Eject sensor does not turn OFF Paper feeder 2 G 4214 Eject sensor does not turn OFF Paper feeder 3 G 4215 Eject sensor does not turn OFF Paper feeder 4 G 4218 Eject sensor does not...

Page 44: ...1 Cassette 2 Paper feeder 2 Cassette 3 Paper feeder 3 Cassette 4 Paper feeder 4 Cassette 5 Registration sensor Paper exit sensor Duplex conveying sensor Paper full sensor PF paper feed sensor Sensors...

Page 45: ...2 8 27 8K 28 16K R A8 16K E 32 Statement R B2 Statement E 33 Folio 34 Western type 2 35 Western type 4 d Detail of paper type Hexadecimal 01 Plain 02 Transparency 03 Preprint 04 Labels 05 Bond 06 Recy...

Page 46: ...ch a reference as the toner container is inserted twice or a used toner con tainer is inserted Code of maintenance replacing item 1 byte 2 categories First byte Replacing item 01 Toner container Secon...

Page 47: ...curred are displayed Indicates the log counter of self diagnostics errors depending on cause See page 1 4 4 Example C6000 4 Self diagnostics error 6000 has happened four times Indicates the log counte...

Page 48: ...2PR 1 3 20 This page is intentionally left blank...

Page 49: ...d at all the Paper jam message appears and the location of the paper jam the component where the paper jam has occurred is also indicated The printer auto matically goes off line when this message is...

Page 50: ...ure 1 4 2 Registration sensor Paper exit sensor Duplex conveying sensor Paper full sensor PF paper feed sensor Sensors Cassette 1 MP tray Printer Paper feeder 1 Cassette 2 Paper feeder 2 Cassette 3 Pa...

Page 51: ...inter stops printing and display an error message on the operation panel An error message consists of a message prompting a contact to service personnel total print count and a four digit error code i...

Page 52: ...nd paper feeder interface connec tor or improper connector inser tion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replace the harness Refer to the...

Page 53: ...ignal is detected continuously for 50 times 5 s at 100 ms intervals After the PF lift motor is driven the ON status of PF lift limit sensor cannot be detected for 8 seconds The cassette installed conf...

Page 54: ...paper feeder Defective engine PWB Replace the engine PWB See page 1 5 28 1510 1530 1550 1570 PF warm air heater side blower high temperature error Option paper feeder A temperature higher than 85 C 18...

Page 55: ...der Defective harness between PF therm istor 2 and PF main PWB YC12 or improper connec tor insertion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or re...

Page 56: ...efective harness between PF therm istor 2 and PF main PWB YC12 or improper connec tor insertion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replace...

Page 57: ...Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replace the harness Defective drive transmission system of the drum motor K Check if the gears rotate s...

Page 58: ...r Also check for conti nuity within the connector harness If none remedy or replace the harness Defective drive transmission system of the drum motor Y Check if the gears rotate smoothly If not grease...

Page 59: ...be detected for 6 seconds Defective harness between fuser pressure change motor and paper exit PWB YC8 or improper connec tor insertion Reinsert the connector Also check for conti nuity within the co...

Page 60: ...ady input is not given for 5 seconds during the devel oping motor K is ON Defective harness between develop ing motor K and engine PWB YC26 or improper connec tor insertion Reinsert the connector Also...

Page 61: ...ile laser is emitted Defective harness between APC PWB Y and engine PWB YC607 or improper connec tor insertion Reinsert the connector Also check for conti nuity within the connector harness If none re...

Page 62: ...sert the connector Also check for conti nuity within the connector harness If none remedy or replace the harness Defective eraser lamp K Replace the drum unit K See page 1 5 14 Defective engine PWB Re...

Page 63: ...page 1 5 14 Defective engine PWB Replace the engine PWB See page 1 5 28 5304 Broken eraser lamp Y wire When the eraser lamp Y is driven the eraser lamp Y over current detection sig nal is detected con...

Page 64: ...inting The detected temperature of fuser thermistor 2 is 100 C 180 F lower than the detected temperature of fuser therm istor 1 continuously for 3 seconds Defective harness between fuser thermistor 2...

Page 65: ...temperature error detection circuit 230 C 446 F or more of fuser thermistor 1 the illumina tion of fuser heater lamp 1 was forcibly turned off and 10 seconds has elapsed Shorted fuser thermistor 2 Re...

Page 66: ...YC1 and engine PWB YC602 or improper connec tor insertion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replace the harness Broken fuser thermistor 2...

Page 67: ...fective harness between paper exit PWB YC1 and engine PWB YC602 or improper connec tor insertion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replac...

Page 68: ...replace the harness Broken fuser thermistor 1 wire Replace the fuser unit See page 1 5 24 Fuser thermistor 1 installed incor rectly Replace the fuser unit See page 1 5 24 Defective engine PWB Replace...

Page 69: ...tion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replace the harness Defective drive transmission system of the toner motor C Check if the gears ro...

Page 70: ...eloping unit K non installing error The EEPROM of the developing PWB K does not communicate normally Incompatible developing unit K is installed Faulty connection of the connector between the devel op...

Page 71: ...page 1 5 12 Defective engine PWB Replace the engine PWB See page 1 5 28 7403 Developing unit M non installing error The EEPROM of the developing PWB M does not communicate normally Incompatible devel...

Page 72: ...the developing unit Y See page 1 5 12 Defective engine PWB Replace the engine PWB See page 1 5 28 7411 Drum unit K non installing error The EEPROM of drum PWB K does not communicate normally Incompati...

Page 73: ...page 1 5 14 Defective engine PWB Replace the engine PWB See page 1 5 28 7413 Drum unit M non installing error The EEPROM of drum PWB M does not communicate normally Incompatible drum unit M is instal...

Page 74: ...old ones To replace the engine PWB and the drum unit at the same time turn on the printer after replacing either one Check that the printer operates prop erly and then turn off the printer Replace th...

Page 75: ...ce engine PWB See page 1 5 28 F050 Engine PWB ROM checksum error Some error may have occurred when downloading the firmware of the engine PWB Download the firmware of the engine PWB again using the me...

Page 76: ...White streaks are printed vertically 8 Black streaks are printed vertically 9 Streaks are printed horizontally 10 Spots are printed See page 1 4 31 See page 1 4 32 See page 1 4 32 See page 1 4 32 See...

Page 77: ...the high voltage PWB 1 See page 1 5 34 Defective engine PWB Replace the engine PWB See page 1 5 28 No laser beam output Defective laser scanner unit Replace the laser scanner unit See page 1 5 42 Def...

Page 78: ...elaser is acti vated simulta neously for all colors Defective laser scanner unit Replace the laser scanner unit See page 1 5 42 Print example Causes Check procedures corrective measures Defective main...

Page 79: ...Perform the color calibration Refer to operation guide Insufficient toner If the display shows the message requesting toner replenish ment replace the container Insufficient agitation of toner con ta...

Page 80: ...4 Deformed or worn cleaning blade in the drum unit Replace the drum unit See page 1 5 14 Worn transfer belt Replace the intermediate transfer unit See page 1 5 16 Dirty MC roller of main charger unit...

Page 81: ...n the drum unit Replace the drum unit See page 1 5 14 Defective transfer belt cleaning Replace the intermediate transfer unit See page 1 5 16 Defective fuser unit Replace the fuser unit See page 1 5 2...

Page 82: ...paper Flawed heat roller or fuser belt Replace the fuser unit See page 1 5 24 Print example Causes Check procedures corrective measures Defective calibration Perform the color calibration Refer to op...

Page 83: ...tor ozone fan motor developing fan motor1 2 fuser fan motor 1 2 left side fan motor and LSU fan motor do not operate Broken the fan motor coil Check for continuity across the coil If none replace the...

Page 84: ...is not performed Defective harness or improper connector inser tion Reinsert the connector Also check for continuity within the con nector harness If none remedy or replace the high voltage PWB 2 See...

Page 85: ...to be closed is dis played when the top cover is closed Defective harness or improper connector inser tion Reinsert the connector Also check for continuity within the con nector harness If none remedy...

Page 86: ...y and correct or replace if necessary Deformed MP tray slider Check visually and replace any deformed slider 4 Multiple sheets of paper are fed at one time Check if the paper is curled Replace the pap...

Page 87: ...oving the hook of the connector be sure to release the hook Take care not to get the wire caught 2 Drum Note the following when handling or storing the drum When removing the drum unit never expose th...

Page 88: ...black colored band when seen through the left side window A shiny or gold colored band when seen through the right side window The above will reveal that the toner container is a genuine Kyocera brand...

Page 89: ...vers 1 Detaching and refitting the left rear cover left upper cover and left front cover Procedure 1 Open the left cover 2 Remove the waste toner box 3 Remove three screws Figure 1 5 3 Left cover Wast...

Page 90: ...2PR 1 5 4 4 Open the top cover 5 Release eight hooks and then remove the left rear cover Figure 1 5 4 Hook positions Top cover Left rear cover Left rear cover...

Page 91: ...1 5 5 6 Open the front cover 7 Remove the screw and then remove the left upper cover 8 Slide the left front cover upward and then remove it Figure 1 5 5 Screw Left front cover Front cover Left upper c...

Page 92: ...nd refitting the right rear cover right upper cover and right front cover Procedure 1 Open the top cover 2 Release ten hooks and then remove the right rear cover Figure 1 5 6 Hook positions Right rear...

Page 93: ...5 7 3 Open the front cover 4 Remove two screws and then remove the right upper cover 5 Slide the right front cover and then remove it Figure 1 5 7 Right front cover Front cover Right upper cover Screw...

Page 94: ...2PR 1 5 8 1 5 3 Paper feed section 1 Detaching and refitting the paper feed roller assembly paper feed roller and pickup roller Procedure 1 Remove the cassette Figure 1 5 8 Cassette...

Page 95: ...hile pressing the lever B and then remove the paper feed roller assembly Figure 1 5 9 4 Check or replace the paper feed roller assembly and refit all the removed parts Figure 1 5 10 Paper feed rollera...

Page 96: ...ntil it locks 3 Release two hooks and then remove the retard guide retard roller assembly Figure 1 5 11 4 Remove the retard roller assembly 5 Check or replace the retard roller assembly and refit all...

Page 97: ...1 Open the front cover 2 While releasing the hook and the slide the MPF shaft 3 Remove the MP paper feed roller 4 Check or replace the MP paper feed roller and refit all the removed parts Figure 1 5...

Page 98: ...1 Remove the intermediate transfer unit See page 1 5 16 2 Remove the drum unit M C Y and K See page 1 5 14 3 Pinch the lever of developing unit to release the lock 4 Hold the grips and then remove th...

Page 99: ...ll the removed parts NOTE Remove the cap before installing the new developing unit When reinstalling the developing unit press it down until the lever of developing unit is engaged with the notch Figu...

Page 100: ...ting the drum unit Procedure 1 Remove the intermediate transfer unit See page 1 5 16 2 Hold the grips and then remove the drum unit M C Y and K 3 Check or replace the drum unit and refit all the remov...

Page 101: ...unit Procedure 1 Open the left cover 2 Remove the screw and then remove the main charger unit M C Y and K 3 Check or replace the main charger unit and refit all the removed parts Figure 1 5 17 Main ch...

Page 102: ...g and refitting the intermediate transfer unit Procedure 1 Open the top cover 2 Remove the all toner containers M C Y and K Figure 1 5 18 3 Remove the all container guides M C Y and K Figure 1 5 19 To...

Page 103: ...then remove the interme diate transfer unit 7 Check or replace the intermediate transfer unit and refit all the removed parts Figure 1 5 21 RFID holder Screw Screw Guide Guide Projection Intermediate...

Page 104: ...ocedure 1 Open the front cover 2 Open the duplex unit B 3 Release two hooks and then remove the transfer roller unit 4 Check or replace the transfer roller unit and refit all the removed parts Figure...

Page 105: ...ce PWB See page 1 5 25 3 Open the front cover 4 Remove the screw and then remove the front cover right stopper Figure 1 5 23 5 Remove the FFC from the engine PWB 6 Remove the screw and then remove two...

Page 106: ...8 Remove the front cover Figure 1 5 25 9 Remove the connector 10 Remove three screws and then remove the drum motor K Figure 1 5 26 Axis Front cover left stopper Front cover left stopper Front cover l...

Page 107: ...s and then remove the feed drive unit 12 Remove four connectors from the engine PWB Figure 1 5 27 YC26 YC40 YC3 YC605 Engine PWB Engine PWB Connectors Connectors Feed drive unit Feed drive unit Screw...

Page 108: ...8 14 Remove two screws and then remove the developing fan motor 1 15 Remove three connectors from the engine PWB Figure 1 5 29 Screw Screw MP paper feed lower unit YC10 YC21 YC610 Screw Screw Developi...

Page 109: ...1 5 23 16 Remove the spring 17 Open the duplex unit B 18 Remove the duplex unit B 19 Check or replace the duplex unit B and refit all the removed parts Figure 1 5 30 Spring Spring Bush Duplex unit B B...

Page 110: ...the outer covers See page 1 5 3 2 Remove five connectors Figure 1 5 31 3 Open the duplex unit B 4 Remove two screws 5 Remove the fuser unit 6 Check or replace the fuser unit and refit all the removed...

Page 111: ...efitting the power source PWB Procedure 1 Remove the right rear cover See page 1 5 6 2 Remove three screws and then remove the power source shield Figure 1 5 33 3 Remove two screws Figure 1 5 34 Power...

Page 112: ...power source PWB 5 Remove three connectors and then remove the power source PWB 6 Check or replace the power source PWB and refit all the removed parts Figure 1 5 35 Connector Connector Connector Con...

Page 113: ...2PR 1 5 27 2 Detaching and refitting the main PWB Procedure 1 Remove two screws 2 Remove the main PWB 3 Check or replace the main PWB and refit all the removed parts Figure 1 5 36 Main PWB Screw Screw...

Page 114: ...x unit B See page 1 5 19 3 Remove the front cover open close switch 4 Remove nine connectors and one FFC from the engine PWB Figure 1 5 37 YC604 YC7 YC9 YC12 YC613 YC609 YC37 YC602 YC607 YC606 Front c...

Page 115: ...2PR 1 5 29 5 Remove seven screws and then remove the feed housing Figure 1 5 38 Feed housing Feed housing Screw Screw Screw Screw Screw Screw Screw Terminal FRONT LEFT RIGHT...

Page 116: ...k lever 7 Remove three connectors and three FFCs from the engine PWB Figure 1 5 39 YC6 YC5 YC617 YC13 YC14 YC600 FFC Link lever Link lever FFC Connector Connector Connector Connector Connector ID sole...

Page 117: ...connectors and one FFC from the engine PWB 9 Remove three screws Figure 1 5 40 YC619 YC614 YC11 YC28 YC33 YC34 FFC Connector Connector Connectors Engine PWB assembly Screw Screw Screw Engine PWB Engin...

Page 118: ...y 11 Remove eleven connectors from the engine PWB Figure 1 5 41 12 Remove the engine PWB assembly Figure 1 5 42 YC25 YC24 YC23 YC22 YC40 YC17 YC15 YC618 YC616 YC608 YC27 Engine PWB assembly Connectors...

Page 119: ...remove the engine PWB 14 Check or replace the engine PWB and refit all the removed parts To replace the engine PWB remove the EEPROM U4 from the old engine PWB and mount it to the new engine PWB Figur...

Page 120: ...ight rear cover and right front cover See page 1 5 6 5 Remove the laser scanner unit See page 1 5 42 6 Remove the engine PWB See page 1 5 28 7 Remove the screw and then remove the HV contact assembly...

Page 121: ...r 12 Release four hooks and then remove the left side fan motor Figure 1 5 46 13 Remove the screw 14 Release the hook and then remove the left duct B Figure 1 5 47 Wire clamp Hook Hook Left duct B Lef...

Page 122: ...hen remove two left frame stays Figure 1 5 48 16 Release three hooks 17 Pull down three bosses and then remove the waste toner assembly Figure 1 5 49 Left frame stay Screws Screws Left frame stay Wast...

Page 123: ...ove the HV bracket assembly Figure 1 5 50 19 Release each one hook and then remove three HV contact assemblies C Figure 1 5 51 Hook HV bracket assembly HV contact assembly C HV contact assembly C Hook...

Page 124: ...se the hook and then remove the TC high voltage bracket 21 Remove three terminals Figure 1 5 52 22 Remove two screws Figure 1 5 53 Hook Terminal Terminals Terminal TC high voltage bracket TC high volt...

Page 125: ...2PR 1 5 39 23 Remove the screw Figure 1 5 54 24 Remove the high voltage PWB assembly Figure 1 5 55 Screw Screw High voltage PWB assembly...

Page 126: ...5 40 25 Remove five screws and then remove the high voltage PWB 1 26 Check or replace the high voltage PWB 1 and refit all the removed parts Figure 1 5 56 High voltage PWB 1 Screw Screw Screw Screw S...

Page 127: ...ks and then remove the DU feed guide Figure 1 5 57 3 Remove three screws 4 Release three hooks and then remove the high voltage PWB 2 5 Remove the connector 6 Check or replace the high voltage PWB 2 a...

Page 128: ...the all developing units See page 1 5 12 3 Remove two screws and then remove the developing fan motor 1 4 Remove five connectors Figure 1 5 59 5 Remove two screws Figure 1 5 60 YC10 YC604 YC37 YC607...

Page 129: ...7 Draw the wires into the printer inside 8 Hold the handle and then remove the laser scanner unit 9 Check or replace the laser scanner unit and refit all the removed parts Figure 1 5 61 Laser scanner...

Page 130: ...an motor or LSU fan motor be careful of the airflow direction intake or exhaust Figure 1 5 62 LSU fan motor Rating label inside Left side fan motor Rating label inside Developin fan motor 1 Rating lab...

Page 131: ...ory Classification Normally 0 Supplement Normally 00 Firmware category 30 System Main 31 System BROM Extention Extention Product code 2PR This machine Product code 2PR This machine Pause underscore So...

Page 132: ...he PC s USB slot 5 Insert the USB memory into the printer s USB memory slot Figure 1 6 2 6 Turn printer power on 7 When message display 1 is displayed to detect firmware in the USB memory 8 Message di...

Page 133: ...e device is accidentally switched off or the USB memory is disconnected and upgrading is incomplete perform the fol lowing If the power is accidentally switched off turn the power on without removing...

Page 134: ...on 4 Rewriting of the PWB software will start for restoration Emergency Update is displayed on the LCD of the operation panel 5 Completed will be displayed when rewrit ing is successful Failed will be...

Page 135: ...r conveying section by rotation of the paper feed roller Also the retard roller prevents multiple feeding of paper Figure 2 1 1 Cassette paper feed section Figure 2 1 2Cassette paper feed section bloc...

Page 136: ...ay paper feed section Figure 2 1 4 MP tray paper feed section block diagram 4 5 8 10 9 11 2 3 7 6 1 1 MP paper feed roller 2 MPF separation pad 3 MPF separator 4 MPF bottom plate 5 MPF friction pad 6...

Page 137: ...and then sent to the transfer separation section by the front registration roller and rear registration roller Figure 2 1 5 Paper conveying section Figure 2 1 6 Paper conveying section block diagram 1...

Page 138: ...fer is complete toner remaining on the drum surface is chipped off with the cleaning blade and is collected to the waste toner box with the drum screw Also elec tric charge remaining on the drum surfa...

Page 139: ...PEEDSEL DRUMMOTCRDYN YC608 10 YC608 9 YC608 8 YC608 7 EEPROM DRUMMOTYREN DRUMMOTCLK SPEEDSEL DRUMMOTYRDYN YC608 A4 YC608 A3 YC608 A2 YC608 A1 EEPROM DRUMMOTKREN DRUMMOTCLK SPEEDSEL DRUMMOTKRDYN YC608...

Page 140: ...ain charger unit The main charger unit consists of the MC case the MC roller and the MC CLN roller and charges the drum for image forming Figure 2 1 9 Main charger unit 1 3 2 1 MC case 2 MC roller 3 M...

Page 141: ...CNT YC600 18 23 MDCYCNT YC600 17 24 MACCCNT YC600 26 15 MDCCCNT YC600 25 16 Drum unit M Drum unit C Drum unit Y Drum unit K Drum Drum Drum Drum High voltage PWB 1 Engine PWB Main charger output M Main...

Page 142: ...enses and mirror are housed in the laser scanner unit adjust the diameter of the laser beam and focalize it at the drum surface Also the LSU cleaning motor is activated to conduct automatically cleani...

Page 143: ...YC1 7 VREFY YC607 2 YC607 3 YC607 4 YC607 5 YC607 7 VDCYN VDCYP YC1 9 PDYN PDYN PDMN YC607 9 LONBKN ENBKN YC1 2 YC1 3 YC1 4 YC1 5 YC1 7 VREFK YC607 12 YC607 13 YC607 14 YC607 15 YC607 17 VDCKN VDCKP...

Page 144: ...he developing blade and the developing screws that agitate the toner Also the toner sensor checks whether or not toner remains in the devel oping unit Figure 2 1 13 Developing unit and toner container...

Page 145: ...4 YC600 27 YC600 28 YC600 31 YC600 32 CN1 19 CN1 18 CN1 16 CN1 15 CN1 13 CN1 12 CN1 10 CN1 9 YC26 1 YC26 3 YC26 4 YC26 5 YC26 6 YC26 7 Developing unit M Toner motor M High voltage PWB 1 Drum relay PWB...

Page 146: ...ary transfer and forwards it as waste toner to the waste toner box The transfer roller unit consists of the secondary transfer roller mounted to the paper conveying unit and the separation brush To th...

Page 147: ...EM YC610 4 4 SSEL YC610 5 5 SREM YC610 6 6 Engine PWB High voltage PWB 1 High voltage PWB 2 Left ID sensor Right ID sensor Separation needle Secondary transfer roller Primary transfer roller M Primary...

Page 148: ...ws extremely high temperature the power line will be shut off and the fuser heater lamp is forced to turn off Figure 2 1 17 Fuser section 1 8 10 9 19 2 3 4 7 12 14 15 17 18 20 21 16 11 13 6 5 22 1 Upp...

Page 149: ...HEATRE2 YC103 2 YC19 2 FUMOTRDYN SPEEDSEL FUMOTCLK FUMOTREN YC602 3 YC5 1 YC8 2 YC1 3 FTHERM1 YC602 1 YC1 1 YC4 2 YC602 5 YC615 2 PDIRN YC1 3 YC605 1 YC605 2 YC605 3 YC605 4 Fuser pressure change sens...

Page 150: ...hed by the change guide activated by the duplex solenoid Figure 2 1 19 Paper exit feed shift section 1 2 4 5 6 12 11 9 9 10 8 13 14 7 3 1 Paper exit roller 2 Paper exit pulley Paper exit pulley PFA 3...

Page 151: ...diagram EXITPAP YC602 4 YC1 4 FDFUL YC602 7 YC1 7 DUREVDRN DUREVDRN YC602 11 YC3 2 YC1 11 FUMOTRDYN SPEEDSEL FUMOTCLK FUMOTREN YC605 1 YC605 2 YC605 3 YC605 4 Engine PWB Paper exit PWB Paper exit sen...

Page 152: ...s the paper sent from the eject section to the paper feed conveying section when duplex printing Figure 2 1 21 Duplex conveying section 1 1 4 4 4 5 6 7 8 1 2 3 1 DU roller 2 DU feed roller 3 Paper exi...

Page 153: ...ying section block diagram DUREVDRN DUREVDRN YC602 11 YC3 2 YC1 11 STDUAN STDUB YC17 1 YC17 2 DUCLDRN YC3 9 YC17 3 STDUA STDUBN YC17 4 DUREGPAP YC21 3 Duplex solenoid Duplex motor Engnie PWB Paper exi...

Page 154: ...2PR 2 1 20 This page is intentionally left blank...

Page 155: ...ates primary transfer bias black secondary transfer bias and separation needle charging 6 Operation panel PWB Controls the LCD display Consists the LCD display LED indicators and key switches 7 Paper...

Page 156: ...nit Y Drum indi vidual information in EEPROM storage 18 Drum PWB K Relays wirings from electrical components on the drum unit K Drum indi vidual information in EEPROM storage 19 Developing PWB M Relay...

Page 157: ...cts paper jam in the duplex section 11 Paper exit sensor Detects paper jam in the fuser paper exit section Paper exit PWB 12 Paper full sensor Detects the paper full in the top tray 13 Toner sensor M...

Page 158: ...2 4 23 Fuser thermistor 2 Measures the heat roller temperature center 24 Fuser thermal cutout Shuts off the power source to the fuser heater lamp 1 2 when the heat roller reaches extremely high temper...

Page 159: ...r motor K Replenishes the developing unit K with toner 14 Duplex motor Drives duplex section 15 Fuser motor Drives fuser section and paper exit section 16 LSU cleaning motor Drives LSU dust shield gla...

Page 160: ...t K at the time of B W printing 6 MP paper feed solenoid Controls the MPF bottom plate of the MP tray 7 Duplex solenoid Operates the change guide 8 ID solenoid Operates the ID sensors cleaning system...

Page 161: ...2 NEUTRAL1 120 0 V AC Fuser heater lamp 1 On Off 220 240 0 V AC 3 LIVE O 120 V AC AC power output 220 240 V AC YC103 1 HEATREN1 I 0 24 V DC Fuser heater lamp 1 On Off Connected to the engine PWB 2 HE...

Page 162: ...26 YC40 YC33 YC3 YC17 YC15 YC615 YC603 YC618 YC616 YC600 NC3 NC2 NC1 YC6 YC5 YC617 YC13 YC14 YC10 YC604 YC7 YC21 YC9 YC12 YC613 YC609 YC31 YC2 1 YC37 YC38 YC601 YC602 YC607 YC606 YC610 1 1 1 1 1 1 1 1...

Page 163: ...und 4 VOPR I Analog Right ID sensor detection signal 5 VOSR I Analog Right ID sensor detection signal YC7 1 GND Ground Connected to the regis tration sen sor 2 REGPAP I 0 3 3 V DC Registration sensor...

Page 164: ...9 GND Ground 10 24V1 I 24 V DC 24 V DC power source 11 24V1 i 24 V DC 24 V DC power source 12 24V1 I 24 V DC 24 V DC power source 13 24V1 I 24 V DC 24 V DC power source YC21 1 3 3V2 O 3 3 V DC 3 3 V...

Page 165: ...g motor MCY clock signal 5 DLPMOTREN O 0 3 3 V DC Developing motor MCY On Off 6 GND Ground 7 24V3 O 24 V DC 24 V DC power source YC28 1 LMOTDRN O 0 24 V DC Lift motor On Off Connected to the lift moto...

Page 166: ...DC pulse Paper feeder clock signal 3 OPRDYN I 0 5 V DC Paper feeder ready signal 4 OPSDI I 0 5 V DC pulse Paper feeder serial communication data signal 5 OPSDO O 0 5 V DC pulse Paper feeder serial com...

Page 167: ...1 MHVCLKC O 0 3 3 V DC pulse Main charger clock signal Cyan 12 MHVCLKM O 0 3 3 V DC pulse Main charger clock signal Magenta 13 HVCLKK O PWM Developing clock signal Black 14 HVCLKY O PWM Developing clo...

Page 168: ...O 0 3 3 V DC pulse YC602 1 FTHERM1 I Analog Fuser thermistor 1 detection voltage Connected to the paper exit PWB 2 3 3V2 O 3 3 V DC 3 3 V DC power source 3 FTHERM2 I Analog Fuser thermistor 2 detectio...

Page 169: ...e 8 9 PDYN I 0 3 3 V DC pulse Horizontal synchronization signal 10 3 3V3 O 3 3 V DC 3 3 V DC power source 11 5V3 O 5 V DC 5 V DC power source 12 LONBKN O 0 3 3 V DC APC PWB K sample hold signal 13 ENB...

Page 170: ...Secondary transfer bias reverse control signal 5 SSEL O 0 24 V DC Separation needle bias output change signal 6 SREM O 0 24 V DC Separation needle bias On Off 7 24V4 O 24 V DC 24 V DC power source YC...

Page 171: ...2PR 2 3 11 2 3 3 Paper exit PWB Figure 2 3 3 Paper exit PWB silk screen diagram PH1 YC4 YC3 YC2 YC6 YC5 YC7 YC8 YC1...

Page 172: ...1 2 FUFANDRN O 0 12 24 V DC Fuser fan motor 1 Full speed Half speed Off YC3 1 24V1 O 24 V DC 24 V DC power source Connected to the duplex sole noid 2 DUREVDRN O 0 24 V DC Duplex solenoid On Off YC4 1...

Page 173: ...6 5 2 1 4 3 2 1 4 3 2 1 3 2 1 3 2 1 A12 A11 A10 A9 A8 A7 4 3 2 1 DUREGPAP GND 3 3V2 STDUA STDUB STDUAN STDUBN SPEEDSEL DRUMMOTKRDYN 24V3 GND DRUMMOTYREN DRUMMOTCLK 1 2 3 4 1 2 3 4 5 6 5 6 A6 A5 A4 A3...

Page 174: ...5V1 EEDAT 5V1 VSYNC EGIRN SBSY SDIR SCKN SO SI 3 3V1 3 3V1 FPRSTN ST_WUP FPTXD FPRTS FPRXD WAKEUP_PNLKEY GND GND PDYN PDKN PDMN PDCN GND GND VDOYN VDOKN VDOYP VDOKP VDOMN VDOCN VDOMP VDOCP 1 2 3 4 5 6...

Page 175: ...rating conditions 31 mm 1 1 4 Rear registration roller First occurrence of defect 50 mm 1 15 16 Front registration roller 63 mm 2 1 2 Developing roller Developing unit 65 mm 2 9 16 Transfer roller 79...

Page 176: ...C Drum unit DK 570 Fuser unit FK 570 U Intermediate transfer unit TR 570 Paper feed roller assembly HOLDER FEED ASSY SP MP paper feed roller ROLLER M P ASSY 43487B0027 A4 Maintenance kit MK 575 MK 57...

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