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Sony Printer C9000 User's Manual

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2. x pue W A SOI AS 01 SOL AEE pue 29 91 oouelsisoH Gumos 41O EU183U AG sng 5 1 05 a y ZHINEE INOud33 ZHIN E 1 7 INIWIG INVHGS ae 5 gt xn I Topy 2 im lt om uo KTT c oeoz 092 Odd K 91S90d9 80 cAO ZHINOS Aejaq ZHINOS unono 2408 Ses LII SJ soyeuosay 15 19 ZHIN8IL8L PL Figure 2 2 12 41388601TH Rev 2 1 CPU The CPU is 64 bit bus RISC processor PowerPC750 which receives an input of 80MHz BUS and operates at 400 2 four times the input 2 Secondary Cache SRAM SRAM is included as a secondary cache of the CPU on the board 3 ROM The ROM is inserted into the three 168 pin DIMM slots The slot A is for a program ROM and the slot B is for the Japanese Kanji font The slot C is not assigned 4 RAM The RAM is inserted into the four 168 pin DIMM slots The DIMMs must be fitted in descending order of the type No labeled on each of them into the slots 1 3 2 and 4 SDRAM DIMM Specifications Speed PC100 or more Capacity 64 128 256MB
3. 8 E 8 B E E owes oem sl s s Uva E Josues id B B E nw B8 B 9302 e 3 I METTUS E I EWS Se SEP Sel tes aeon UH anm oO ESA EZ EA peog w E 3h 3 piouayog 109 3 00015 WAMOd PHLIONH 4 0 fld dH a a a 5 umoq ooe4 g i El yun S O LM Y34094 6d weld 0 q Gicumlumed ejes era INO uo jomod o ues 10913 pieog LN lau ZNH3H dva Jz e dWaLLuvd JOSUSS LSNSN dOH O eru cnceg ms 5 _ payoeye a EM Ca INR 84 o f PROTEIN ZLNOW I 200 opis Hu asi 5 dauvao Zd 10100 5 T OJO Lero pogone V ejnoy ZS esp pieog WHO D 0 gin EJ Zd ga 10100 epis MSI 54 Ue payoene Wve i Son E LPs usorpsiege lt 1 ues i O 8 0 4 NE BB pieog 7 ER 8 ue
4. wo COD O O OD Cover Side R Assy 41388601TH Rev 2 157 157
5. CU Low voltage Ejection Fuser Fan Yellow FANALM N Low voltage Absorption c 9H 10988617 551 CU Board Circuit Diagram Red 10 5 White 3o FANALM N 2 Black 0V Illustration Resistance ID and Fuser Red 10 Bs Yellow 2 oV Fuser Unit 1 Upper roller Thermostat Heater 2 Lower roller Thermostat oo e Heater Thermistor Center Thermistor Thermistor Left D Between pins a and b Between pins c and d 231 4kQ Between pins e and f 231 4kQ at 25 C Between pins and b Between pins c and 00 or open Between pins e and f 231 4kQ at 25 C 7 2 Parts Layout on Boards 1 Print Engine Controller PWB K73 SHUTTER FRPUCL HOPFF RCL 2 en i L ID M m G I m m TM 20 o L 9 o 888
6. TNRSNS E t1 1 12 2 3 Toner Low Condition At warming up A4 transverse 16ppm 1 EN TNRSNS JL Le t1 gt 1 12 T 2 3 When the toner low condition is detected 20 consecutive times toner low is detected The toner low message is displayed when about 1000 A4 sheets at 596 density have been printed after toner low had been detected The detection is not performed until toner low occurs after the detection of toner low When the toner full condition is detected 10 consecutive times toner low is removed When the toner sensor remains unchanged for more than 15 cycles of 2 3 seconds the toner sensor alarm is activated The toner sensor does not perform the detection while the drum motor is not running 16ppm is the print speed at warm up T and t1 change in proportion to the print speed 41388601TH Rev 2 36 2 11 Paper Size Detection Viathe cam tied to the paper guide of the paper cassette the four tab pieces are driven according to the set position of the paper guide Uponinstallation of the paper cassette the microswitch detects the condition of the tab pieces and the paper size is recognized Without Cassette PSZSW1 PSZSW2 PSZSW3 PSZSW4 Regal 14 Regal 13 4 in Portrait Orientation Letter in Portrait Orientation Executive B5 in Portrait Orientation Letter in Landscape Orientation A4 in Landscape Orientation
7. N Thermostat N Backup roller Thermistor 7 Cleaning Non fused residual toner on the OPC drum is scraped with the cleaning blade and collected in the waste toner area of the toner cartridge Waste toner area 4 4 8 Cleaning A Residual toner on the transfer belt is scraped with the cleaning blade and collected in the waste toner box of the transfer belt unit Cleaning blade Waste toner box 41388601TH Rev 2 20 2 4 2 Paper running process Figure 2 5 shows how paper moves in the C9000 Fuser Registration roller Assy B 4 x LED heads 4 x LED Units Face down stacker Heat roller Aa a p De idw FEL p Multipurpose tray Registration roller Assy A Qe us acs x anml Cleaning blade Backup roller Cassette 4 Figure 2 5 Paper Route 41388601TH Rev 2 21 1 Paper Loading from 1st Tray 1 The paper loading motor runs CCW the paper loading clutch is engaged and until the entrance cassette sensor is turned on paper is advanced the on off operations of the paper loading clutch control the pickup roller 2 After the paper turns the entrance cassette sensor on the paper is forwarded a further fixed length and touches the registration roller Assy A this corrects paper skew 3 The electromagnetic clutch is engaged and the paper is carr
8. 74 3 3 25 Entrance sensor 0 75 3 3 26 Entrance MT sensor actuator and Entrance belt sensor actuator 76 3 3 27 Main motor fan Fuser 77 3 3 28 Eject sensor 78 3 3 29 Fuser latching handle L erreren iier iink Ren EE nmn 79 3 3 30 Bet MOr ASSY ico Rn tee Pa end t 80 3 3 31 Fuser latching handle R asieran esee 81 3 3 32 Main motor ASSY tei ce ete Dee io di lee 82 3 3 33 Contact Assy Side plate 83 3 3 34 Low voltage power 84 3 3 35 High voltage power 85 3 3 36 Maln teed ASSY rci rre e t B Pte dts 86 3 39 37 Db due 87 3 3 38 Belt Unit aii acti idee coe e eee 88 3 9 39 DUpISX eren EID 89 3 3 40 re ECT 90 prd pr ge PET 92 4 1 Maintenance Menu and Its Functions nenne 92 4 2 Short Plug Settings eic tete Ltd eee a deu EL a a 93 4 3 Printing Singly Using Controller Equipped 2 93 4 4 Adjustment after Part 94 4 5 Color Balance Adjustment eene nnne eene nnne nennen ns 95 4 6 EEPROM Replacement after CRM Board and K73 Board Replacement 97 Regular Mainten
9. O wo wo wo wo wo wo wo wo wl gt 41388601TH Rev 2 148 Parts No Table 8 3 2 2 Qty Recommended Q ty Year Remarks 56732302 HV Tape Harness 41500101 Power Supply Insulation 4PB4013 3100P006 Screw M3x6 PSW4 8C Screw 4 8 4PB4083 2500P008 Screw T3x8 41346301 Transfer Contact Assy 41589501 Power Supply Insulation HV 40197103 FAN Power Supply PUSH 41431602 FAN Left Plate PUSH 41388601TH Rev 2 149 Figure 8 4 1 2 150 41388601TH Rev 2 Figure 8 4 2 2 41388601TH Rev 2 151 Table 8 4 Paper Tray Guide Parts No Remarks 41481301 Guide Assy R 1st 41481701 Roller Feed 41488401 Roller Feed A3 41529101 Motor Pulse Hop 41515701 Board A73 wo wo 41503001 Gear Assy Clutch 2pin 41502601 Rubber Foot 41515801 Paper Size Sensing PWB 2 3 4 5 6 7 8 9 56731640 Connector o 4PB4013 3101P006 Screw T4x6 4PB4013 3101P008 Screw T4x8 4PB4013 3100P008 Screw M3x8 4PB4083 2500P010 Screw T3x10 PSW2W3 10C Screw PSW2W3 16C Screw PSW2W3 20C Screw 41488301 Gear Assy Clutch 3pin 41388601TH Rev 2 152 Figu
10. tco Cc nadie lea 7 dat Basic System GConfIgUratlonas si e ae tese BE Mene t agb 7 1 2 Printer Engine Specifications nnns 8 1 3 Option GonfIgUratlon 4c eet Pg te n Ht e Eo el ue a ee 9 154 Specifications iie oe e dette titt e Oe ptg eU eo tette 10 2 OPERATION DESCRIPTION 12 2 1 Main Control Board CRM PWB aa aaa aaa aaa aaa 13 2 2 Engine Control Board K73 aa aaa aaa aaa aaa nnne 15 2 3 Power Units esum tie tette tete 16 24 su ete een a I ete el rte D s 17 241 Electrophotographic 18 2 4 2 Paper running enne nennen 22 2 55 o ote et eed apte he oat ena it aser Frei 31 2 5 1 Paper related sensors anna 31 2 5 2 Other Sensors ster weston ata V Le UU d ted as ec ts 32 2 6 Color Misalignment 1 nnne 33 2 7 Transfer Control Responds to Environmental Changes Room Temperatures and Relative 33 2 8 Paper Jam Detector et cr o a e ee ei Eois seo kan kas 34 2 98 ort cae M ERU NEN abe 35 2 10 Ton
11. 41189701 Drum contact Assy 41483201 Registration Roller Assy A 41483301 Registration Roller Assy B 40845401 Registration Drive Gear A 41187101 Registration Clutch 41483401 Registration Motor Assy 41483701 Motor Assy Fan 41491001 Color Registration Sensor Assy G O O EF OJN 41744001 Registration Shutter Solenoid o 41743901 Registration Shutter 41744601 Registration Shutter Spring 41486801 Duplex Guide Assy O O wo DI DI DI DI O O O O O O 41483101 Printer Unit Chassis 40841601 Entrance Cassette Sensor Actuator 41578501 Entrance MT Sensor Actuator 40841801 Entrance Belt Sensor Actuator 41258301 Board R71 41486601 Magnet Assy Dup 41393901 Solenoid sheet Assy 41095901 Roller Feed C 51607301 Fuser Exit Roller Bushing L 51609401 Fuser Exit Roller Bushing R 41073601 Exit Sensor Assy 40841301 Fuser Latching Handle L E 41628301 Fuser Latching Handle Spring 41483901 Transfer Belt Motor Assy 40841401 Fuser Latching Handle R 41483801 Main Motor Assy 41484001 Left Plate Assy 40850201 Contact Assy 41303401 PWR Unit ACDC Switch 120V 41303501 PWR Unit ACDC Switch 230V 40737601 Power Unit High Voltage
12. Service Call 034 Error RAM Configuration Error The CU RAM installation or derwas not followed Is the installation order followed Can the printer recover from the error by replacing the RAM DIMMs Correct the installation order Replace the RAM DIMMs Replace the CRM board The EEPROM needs replacement Service Call 035 Error Slot RAM Spec Error The CU RAM Slot DIMM specification is not supported Is the RAM DIMM a genuine part Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Use a genuine RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement Service Call 036 Error Slot2 RAM Spec Error The CU RAM Slot2 DIMM specification is not supported Is the RAM DIMM a genuine part Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Use a genuine RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement Service Call 037 Error Slot3 RAM Spec Error The CU RAM Slot3 DIMM specification is notsupported Is the RAM DIMM a genuine part Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Use a genuine RAM DIMM Re install the concerned RAM DIMM Rep
13. ID C Type C3 ID K Type C3 41388601TH Rev 2 144 Patrs No Table 8 1 2 3 Recommended Q ty Year per 500 per 1000 per 2000 Remarks N A ID Y Type C3 APS N A ID M Type C3 APS N A ID C Type C3 APS N A ID K Type C3 APS 41515205 Toner Cartridge Type C3 Y 15K ODA 41515206 Toner Cartridge Type C3 M 15K ODA 41515207 Toner Cartridge Type C3 C 15K ODA 41515208 Toner Cartridge Type C3 K 15K ODA N A Toner Cartridge Type C3 Y 15K OEL N A Toner Cartridge Type C3 M 15K OEL N A Toner Cartridge Type C3 C 15K OEL N A Toner Cartridge Type C3 K 15K OEL N A Toner Cartridge Type C3 Y 15K APS N A Toner Cartridge Type C3 M 15K APS N A Toner Cartridge Type C3 C 15K APS N A Toner Cartridge Type C3 K 15K APS N A Toner Cartridge Type C3 Y 7 5K ODA N A Toner Cartridge Type C3 M 7 5K ODA N A Toner Cartridge Type C3 C 7 5K ODA N A Toner Cartridge Type C3 K 7 5K ODA N A Toner Cartridge Type C3 Y 7 5K OEL N A Toner Cartridge Type C3 M 7 5K OEL N A Toner Cartridge Type C3 C 7 5K OEL N A Toner Cartridge Type C3 K 7 5K OEL N A Toner Cartridge Type C3 Y 7 5K APS N A Toner Cartridg
14. A5 B5 in Landscape Orientation A6 41388601TH Rev 2 37 2 12 Operation at Power on 2 12 1 Self diagnostic test 1 Initial test The following checks are automatically performed at power on a ROM check b RAM check c EEPROM check d Flash ROM check 2 ROM check The ROM is checked by calculating a HASH value 3 check Checking is conducted by RAM type Out of specification RAM is judged as an error b The order of mounted RAMs is checked Out of standard RAM is judged as an error c The RAM in each slot is checked by read after write operation 4 EEPROM Check Specific data stored at the fixed EEPROM address is checked 5 Flash ROM Check The flash ROM format is checked Unformatted ROM is formatted after the read after write checking 6 Option Unit Check Checking whether the option units including a HDD NIC option trays and the duplex unit are equipped with the printer is performed 41388601TH Rev 2 38 2 13 Color Misalignment Detection Reflection type optical sensors Z71 PCB are mounted at the right and left ends of the belt respectively in front of the toner scraping cleaning blade which is at the back of the belt unit The color misalignment detection pattern is printed on the belt at the right and left ends each and by reading the patterns by the reflection type optical sensors the misalignment amounts are measured with respect to Black t
15. Error Description 1 Is the error message displayed 2 Does the error repeat Solutions Turn off on the printer Replace the MT Service Call 130 Error Temperature rise at the LED head detected 1 Is the error message displayed 2 Does the error repeat Turn off the printer leave it for 30 min and then turn it on again Replace the LED head unit Service Call 131 Error 134 Error No LED head unit detected when turning on the printer or closing the cover 1 15 the error message displayed 2 Is the LED head mounted properly 3 Does the error repeat Verify the installation of the LED head Turn off on the printer Replace the LED head Assy Service Call 140 Error 142 Error Error detected with the D located at appropriate position 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the Drum Assy Service Call 150 Error 153 Error Fuse in the ID unit has not been blown Is the ID unit mounted properly Confirm the cable connection or replace the Engine board Service Call 154 Error Fuse in the Belt unit has not been blown Is the Belt unit mounted properly Confirm the cable connection or replace the Engine board Service Call 155 Error Fuse in the Fuser unit has not been blown Is the Fuser unit mounted properly Confirm the cable connection or replace the Engine board
16. Service Call 160 Error 163 Error Error detected by Toner sensor 1 Is the error message displayed 2 Does the error repeat Replace Toner sensor or Assy Y71 PWB Same as the above Service Call 170 Error 171 Error 174 Error 175 Error Short or open circuit detected at the Fusert hermistor H or L temperature error 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the Thermistor and turn off the printer Leave it for 30 min Service Call 172 Error 176 Error High temperature error detected at Thermistor 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the Thermistor and turn off the printer Leave it for 30 min Service Call 173 Error 177 Error Low temperature error detected at Thermistor 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the Thermistor or heater and turn off the printer Service Call 181 Error 186 Error Communication failure with an option unit detected by Engine 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the option unit Close Cover 310 CCCC CoverOpen A4 etc Printer engine cover is open 1 Is the Top cover open 2 Does the Cover switch operatenormally Close the Top cover Close the Side cove
17. jddng 1044405 umop 92e uonoef3 aded Jayjoy 1295 jedeg 0129195 1edeg JejoH uonoal3 Josuas 499 7 1edeg dn eoe uoroef3 Figure 2 4 16 41388601TH Rev 2 241 Electrophotographic process 1 Electrophotographic process The following is the outline of electrophotographic process Charging DC voltage is applied to the charging roller and the surface of the OPC drum is negatively and evenly charged 2 Exposure The LED head under image signals emits light to the negatively charged surface of the OPC drum The radiated portions of the drum surface attenuate in negative charge according to the intensity of the light and based on the surface potentials a latent electrostatic image is formed on the drum surface 9 Development Negatively charged toner contacts the OPC drum and by electrostatic force adheres to the latent electrostatic image to form a clear image on the drum surface Transfer Paperis placed on the surface of the OPC drum and positively or opposite to the polarity of the toner charged by the transfer roller on its back to transfer the toner image to the paper 5 Cleaning The cleaning blade removes residual toner from the OPC drum after the transfer 6 Fusing The toner image on the paper is fused into place through the application of heat and pressure to it 4138860
18. Note The LED head cleaner must be used to clean the LED lens array The LED head cleaner is included in the Toner cartridge box White band white stripes Void or light printing 5 4 Cleaning of Pick up Roller When papers are not fed normally the Pick up roller should be cleaned Note Clean it with a soft cloth and alcohol Be cautious not to damage the roller surface 41388601TH Rev 2 98 6 TROUBLESHOOTING PROCEDURES 6 1 Tips for Troubleshooting 1 Check the basic check points covered in the user s manual 2 Gather as much information on the problem from the customer as possible 3 Perform inspections in conditions close to those in which the problem had occurred 6 2 Check Points before Correcting Image Problems 1 Is the printer being run in proper ambient conditions 2 Have the consumables toner and image drum cartridges been replaced properly 3 Is the paper normal See paper specifications section 4 Has the image drum cartridge been loaded properly 6 3 Tips for Correcting Image Problems Donot touch or bring foreign matter into contact with the image drum surface 2 Do not expose the image drum to direct sunlight 3 Keep hands off the fuser unit as it is heated during operation 4 Do not expose the image drum to light for longer than 3 minutes at room temperature 41388601TH Rev 2 99 6 4 Preparation for Troubleshooting 1 Operator panel display The failu
19. 1 1 With HDD 0 gt 0 gt 3 6 1 gt Font List Printing PS Prints a list of PS fonts Operation Press of Switch Without HDD 0 6 3 gt 1 6 1 gt With HDD 0 2 0 gt 3 gt 1 1 Demo Printing Prints the demo patterns for destinations Operation Press of Switch Without HDD 0 gt 3 gt 1 gt 1 gt 1 gt 1 8 With HDD 0 gt 0 6 3 gt 1 3 1 1 3 1 3 Ethernet Board Self Diagnostic Printing When equipped with an Ethernet board the printer runs diagnostic checks on itself by holding the SW on the Ethernet board down for two seconds or more and prints the results 41388601TH Rev 2 93 4 4 Adjustment after Part Replacement Adjustment to be implemented after each part replacement is described below Adjustment and correction of color registration are always required for each part replacement Replaced Part Adjustment LED Head Color balance adjustment Drum Cartridge Y M C K Not required Fuser Unit Not required Belt Cassette Assy Not required PU K73 Board Re mounting the EEPROM used prior to the replacement Note Note When the EEPROM of the PU K73 Board is replaced to a new one color balance must be adjusted 41388601TH Rev 2 94 4 5 Color Balance Adjustment Color balance has been adjus
20. 15 each LED head assembly connected to the junction board Y73 PWB correctly Check the cable connection between each LED head and the junction board and connect the LED assy to the junction board correctly Is 3 8V supplied to the following HEADPOW connector pins of the junction board Y71 PWB 3 8V Pin 1 2 3 4 5 6 7 8 Is 3 8V supplied to each LED head assembly from the junction board Y71 PWB YPOW connector Pin 3 LED head assembly yellow MPOW connector Pin 3 LED head assembly magenta CPOW connector Pin 3 LED head assembly cyan BPOW connector Pin 3 LED head assembly black No Replace the junction board Y71 PWB Check the cable connection or replace the LED head assembly Check the cable connection or replace the low voltage power supply unit Recovered End Is 32 supplied to the POWER connector of the engine board K73 PWB 32V Pin 7 8 9 10 Check the cable connection or replace the low voltage power supply unit Is 32 supplied to HVOLT connector pin 5 of the engine board K73 PWB Replace the engine board Check the cable connection replace the high voltage power supply unit or belt cassette assembly Recovered End Is each ID terminal connected to the contact assembly correctly See Figure 6 3 Connect the ID terminals with the contact assembly correctly Replace the ID unit 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remou
21. 2 in Sec 6 5 2 41388601TH Rev 2 125 9 Color Misalignment Areanyofthefollowing gears broken Gear assy of ID unit Multipurpose Tray belt unit and belt motor Yes Replace the broken gear assembly Yy No 15 each LED head unit connected to the junction board Y71 PWB correctly No Connect the LED head unit correctly with the junction board Yy Yes Check the cable connection or replace the LED head assembly Recovered Yes End y No Check the cable connection or replace the junction board Y71 PWB Recovered Yes End Y No Is engine board K73 PWB connected to the junction board Y71 PWB correctly No Connect the boards correctly Y Yes Check the cable connection or replace the EEPROM of the engine board Recovered Yes End Yy No Replace the engine board Recovered Yes End Y No Is each ID terminal connected to the contact assembly correctly See Figure 6 3 No Connect the ID terminals with the contact assembly correctly Yes Replace the ID unit Notes 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 126 Printout colors different from the original Are the LED head lens contaminated Yes No No Yes Y Yes No Yes No No Yes No Yes Yes No No Yes Notes Clean the LED head lens
22. 3 3 30 F 41489001 Plate Assy Side 3 3 33 41493002 Multipurpose Tray 3 3 13 41276502 Rear Cover 3 3 12 41277402 Left Side Cover 3 3 9 41481202 Right Side Cover 3 3 7 41276402 Front Cover 3 3 11 41277502 Face Up Tray 3 3 10 41504401 41483102 40841302 Printer Chassis 3 3 23 Fuser Latching Handle L 3 3 29 41483202 41628301 Regist Roller Assy 3 3 15 Fuser Latching Handle Spring 3 3 29 41483301 m 40841601 Regist Roller Assy 3 3 16 Entrance Sensor Actuator 1 3 3 24 41483401 41578501 Registration Motor Assy 3 3 17 Entrance Sensor Actuator 2 3 3 26 741187101 40841801 Registration Clutch 3 3 17 Entrance Sensor Actuator 3 3 3 26 41486601 41621801 Duplex Guide Assy 3 3 20 Registration Shutter Solenoid Assy 41481301 41488801 Main Feed Assy 3 3 36 Registration Shutter L 41515801 41589401 PCE Size Sence 3 3 36 Registration Shutter Spring L 22011000P0140 41641701 IMSA 9714N 14A 3 3 36 Fuser Driver Gear A 3 3 27 41095901 Fuser Exit Roller 3 3 27 4PP4043 4489P001 Fuser Exit Roller Bushing L 3 3 27 Electrical Chassis Cooling Fan 4PP4076 3949P001 Fuser Exit Roller Bushing R 3 3 27 40841402 Fuser Latching Handle 3 3 31 41628301 Fuser Latching Handle Spring 3 3 31 40850201 Contact Assy 3 3 33 41189701 x 4 Drum Contact Assy 3 3 14 41258301 Entrance Sen
23. Color alignment to be corrected CD Color misalignment in X axis direction Positional error caused by LED head 2 Color misalignment in slanting direction Positional error caused by LED head 3 Color misalignment in Y axis direction Positional error caused by I D unit and LED head 2 Correcting Printing the preset color misalignment detection pattern on the belt and by a reflection sensor reading the printed pattern detects each color s misalignment value to determine its correction value The correction value is used to change each color s Cyan Magenta and Yellow writing timing in comparison with that of Black 27 Transfer Control Responds to Environmental Changes Room Temperatures and Relative Humidities C9000 measures room temperature and relative humidity using a room temperature sensor and humidity sensor and calculates an optimum transfer voltage under its measurement environment to perform real time control on printing with the optimum voltage 41388601TH Rev 2 32 2 8 Paper Jam Detection C9000 detects paper jams after power on and during printing When a paper jam occurs the printer immediately suspends the printing operation Opening the cover to remove the jammed paper and closing it resumes the printing LCD Error Code Paper Size Error Description The entrance cassette sensor does not turn off within fixed time after it turns on Loading of plural sheets of paper is sensed Misfeed from Duplex
24. The number of dots printed is counted The used amount is Do not use the unit anymore determined based on the counter value See Section 2 16 End of Life Time when a toner low error occurs The number of turns revolutions is counted in the unit of letter Warning the unit can still be used paper length paper interval in continuous printing End of Life Time when the counter value reaches 80K Fuser Unit One is counted every time when one page is passed Warning the unit can still be used End of Life Time when the counter value reaches 80K 2 16 Toner Consumption Detection The used toner amount is detected by counting the number of dots printed The counting starts after toner low is released The sum of the counted values is stored in EEPROM When toner low is detected the amount used is forcedly set to 796 When the equivalent of pages of 1K on A4 and 5 duty is reached after that toner empty is detected 41388601TH Rev 2 40 3 PARTS REPLACEMENT This section describes the procedure for replacing the parts assemblies and units in the field The replacing procedure is given for detachment To attach use the reverse procedure 3 1 Precautions in Replacing Parts 1 Before replacing the parts be sure to remove the AC cable and the interface cable a To remove the AC cable always use the following procedure CD Flip the power switch of the printer off to O 2 Pull the AC inlet plug of the
25. Y71 PWB correctly No Connect the LED head assembly to the junction board correctly T Yes Check the cable connection or replace the LED head assembly Recovered Yes End Y No Check the cable connection or replace the junction board Y71 PWB Recovered Yes End Y No Is the engine board K73 PWB connected with the junction board Y71 PWB correctly No Connect the engine board with the junction board correctly Y Yes Check the cable connection or replace the engine board K73 PWB Recovered Yes End x No Is each ID terminal connected to the contact assembly correctly See Figure 6 3 No Connect the ID terminals with the contact assembly correctly Yes Replace the ID unit Notes 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 121 5 Band stripes in white or irregular color in the longitudinal direction Figure 6 2 Is each LED head lens contaminated Yes Clean the LED head lens T No Is each LED head assembly connected to the junction board Y71 PWB correctly No Connect the LED head assembly to the junction board Y71 PWB correctly Yy Yes Check the cable connection or replace the LED head assembly Recovered Yes End y No Check the cable connection or replace the junction board Y71 PWB Recovered Yes End Y No Is the en
26. yun sesn4 Kyoedeo oDue pyg puz pue 1 Josues 10109 uonoejep uonoeljep pue uonoejep 1 uonoejep ezis Jedeg SIOSUAS Jaded lt SJOJSILUJOY pue sJOSUaS gt X WO 951 r4 2 og al D yeg 1 10je19d 0 SJOJOJ es ng 6 41388601TH Rev 2 Printer Engine Specifications 1 2 The inside of the printer is composed of the followings Electrophotographic Processor Paper Paths High Voltage Unit and Low Voltage Unit Controller Block CU and PU lt S o V E 92 Qo On e Figure 1 2 shows the printer configuration N 2 5 LL 7 41388601TH Rev 2 1 3 Option Configuration The followings are available as options on C9000 1 2nd Tray 3rd Tray 2 Duplex Unit 3 Large Capacit
27. 020 Error CU ROM Hash Check Error 1 Is the program ROM DIMM installed properly Can the printer recover from the error by replacing the program ROM DIMM Re install the program ROM DIMM Replace the program ROM DIMM Replace the CRM board The EEPROM needs replacement Service Call 030 Error CU Slot1 DIMM RAM Check Error Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement Service Call 031 Error CU Slot2 DIMM RAM Check Error Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement Service Call 032 Error CU Slot3 DIMM RAM Check Error Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement Service Call 033 Error CU Slot4 DIMM RAM Check Error Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement
28. 4 Remove the electrical chassis see section 3 3 21 5 Remove the registration clutch see section 3 3 17 6 Remove the printer chassis see section 3 3 23 7 Unscrew the four screws and pull out the registration Assy B 2 in the arrow direction 41388601TH Rev 2 66 3 3 17 Registration clutch Registration motor Assy 1 Remove the left side cover see section 3 3 9 1 2 Remove the electrical chassis see section 3 3 21 3 Remove the connector and the E ring 1 then screws 3 and 4 and then the earth plate 5 4 Remove the connector and unscrew the two screws 6 to demountthe registration motor Assy 7 41388601 2 67 3 3 19 Color registration sensor Assy 1 Remove the two screws 1 and the three connectors to demount the color registration sensor Assy 2 2 Remove the earth plate B 3 lt gt 55552 2 WS lt LAC 41388601TH Rev 2 69 3 3 20 Duplex guide Assy Unlatch and demount the duplex guide Assy 1 Remove the springs 5 1 2 Main chassis L side 70 41388601TH Rev 2 3 3 21 Electrical chassis Electrical chassis cooling fan 1 2 3 4 5 Unscrew the five screws 1 and two screws 2 to remove the plate A 3 Unscrew the thirty one screws 4 to remove the shield plate B 5 Remove the printer engine contr
29. Entrance MT sensor Multipurpose Tray MT 2 Entrance cassette sensor LL 2 Misfeed from Duplex Unit ENS Misfeed from Cassette 3 See NE 29 EN Misfeed from Cassette 1 Cassette 2 Qu Misfeed from Cassette 2 0 p 4 2 X Misfeed from Cassette 4 Misfeed from Cassette 5 Cassette 4 4 y a0 0 n D a 4 D A n 0 0 n Cassette 5 41388601TH Rev 2 33 2 9 Cover Opening When the top cover of the printer is open the cover open microswitch turns opens to cut off the high voltage power supply and outputs which are not less than 32V Atthe same time the CPU receives CVOPN signals indicating the status of the microswitch and performs cover open operations 71K PCB Top Lg i CPU qM o T 66577 Detection OVOPN 2P Circuit 10 5 6 4 High voltage power supply board HVOLT 16P gt detect circuit gt gt FCOVER 3P circuit 32V d o5 Front cover 42222222 microswitch Duplex unit V71 PCB High voltage power supply unit 41388601TH Rev 2 34 2 10 Toner Low Detection Structure This device consists of the stirring gear which revolves at a consta
30. Fuser unit 1 Open the top cover 1 2 Push the right and left fuser levers blue in the arrow direction to detach the fuser unit 41388601TH Rev 2 87 3 3 38 Belt unit 1 Open the top cover 2 Remove the 1 0 unit 3 Push the lever blue in the arrow direction raise the handle blue and detach the belt unit 3 41388601TH Rev 2 88 3 3 39 Duplex unit 1 Remove the cassette Assy the front cover and the front cover inner buffle 2 Unlatch the rear at the right and left and pull the duplex unit 1 toward the front 41388601TH Rev 2 89 3 3 40 CU Assy 1 Pulling out Control Board 1 Loosen the two screws 1 2 Pull the control board 2 out 3 Place the control board 2 on a flat table 2 Detaching Fan Remove the connector 3 2 Remove the two screws 2 3 Detach the fan 5 2 7 A a ff AS P 41388601TH Rev 2 90 3 Demounting CRM Board 1 Remove the three screws 6 to detach the fan bracket 7 2 Remove the four screws 8 to detach the plate support 9 and the guide rail 0 3 Remove the two screws i to detach the guide rail 42 4 Remove the two screws 13 and three screws 49 then demount the CRM board 45 41388601TH Rev 2 91 4 ADJUSTMENT Adjustments are carried out by key operations on the operator panel The maintenan
31. Is the paper jammed at the entrance cassette sensor or the entrance MT sensor MT Multipurpose Tray Yes Remove the jammed paper T No Dothe sensor levers of the entrance cassette sensor and the entrance MT sensor operate normally No Replace the defective sensor lever y Yes Dothe sensors the entrance cassette sensor and the entrance MT sensor work properly Operate each sensor lever and verify the signal on the FSENS connector pins on the PU board K73 PWB Pin 4 Entrance cassette sensor Pin 2 Entrance MT sensor No Check the signal cable connection or replace the sensor board R71 PWB Yes Check the signal cable connection or replace the engine board K73 PWB T No Does the paper jam occur immediately after the paper is fed Yes Does the paper reach the entrance cassette sensor or the entrance MT sensor Yes Goto No Replace the feed roller or the Retard Pad assy in the paper tray Y No Is the feed motor rotating Yes Replace the feed roller Y No 15 the resistance of the feed motor at the rated value approx 7 9 or 8 4 No Replace the feed motor Y Yes Is 32V supplied to the POWER connector Pins 7 10 on the engine board No Replace the low voltage power supply unit T Yes Check gear engagement and cable connection or replace the engine board 41388601TH Rev 2 108 2 2 Paper Input Jam Multipurpose Tray MT Does the paper jam occur immediately after the printer is pow
32. L of L T Q w a Pride 2 gt CPUFL1 92 2 o o 888 5 m S 4 m 9 5 18 a I m Ol 5 a DUPLEX _DUCOV PSIZE LET o0 507 O HVOLT POWER 41388601TH Rev 2 134 2 Main Controller PWB CRM 41388601TH Rev 2 135 3 LED Control PWB Y71 2 PWB POWER STUCK O PANEL TNRSNSK o 4 Duplex Control PWB V73 PWB b Control Panel PWB X71 PWB 41388601TH Rev 2 136 6 N71 PWB JODEN 7 Entrance Sensor PWB R71 PWB INSNS2 INSNS1 EJ 8 Paper Size Sensing PWB PXC B73 PWB 9 Sensor PWB A73 PWB 10 Option PWB C73 PWB 41388601TH Rev 2 137 PARTS LIST 8 i NAGAI 4 2 Va A p t p 1 5 lt 72 lt 212 Figure 8 1 1 3 138 41388
33. Remove the five scr 2 62 41388601TH Rev 2 3 3 13 Multipurpose tray Assy Multipurpose tray cover Assy Links Multipurpose tray top cover Multipurpose tray drive gear 1 Remove the rear cover see section 3 3 12 1 2 Remove the front cover see section 3 3 11 3 Unscrew the three screws 1 to detach the multipurpose tray top cover 2 4 Unscrew the two screws 3 and remove the connector to detach the multipurpose tray 4 5 Disengage 2 and 5 to detach the multipurpose tray cover Assy 5 the links 7 become detached 6 Unhook and detach the multipurpose tray drive gear 8 41388601TH Rev 2 63 3 3 14 Drum contact Assys 1 Insert a flatblade screwdriver between the printer case and the drum contact Assy 1 to demount the drum contact Assy 41388601TH Rev 2 64 3 3 15 Registration roller Assy A Registration drive gear 1 2 3 4 5 Remove the front cover see section 3 3 11 Remove the rear cover see section 3 3 12 Remove the multipurpose tray see section 3 3 13 Unscrew the four screws 1 to demount the registration roller Assy A 2 Remove the E ring 3 to detach the registration gear 4 41388601TH Rev 2 65 3 3 16 Registration roller Assy B 1 Remove the cassette Assy 1 2 Remove the front cover see section 3 3 11 3 Remove the rear cover see section 3 3 12
34. Rev 2 13 2 2 Engine Control Board K73 PWB 28MHz Control Panel lt gt Fan control Duplex 4 Cover front upper open Cassette 23 CPU lt Stacker full Color registration sensor adjustment A D CON lt Power supply cooling Analog input gt Analog Input Temperature change Switch Analog Analog input Various densities 8Mbit 1MByte FLASH 256Kbit 32KByte SRAMx2 CPU BUS 48MHz 32bit Video F Heater control p Fuse Cut Drivere EEPROM D A gt Toner and ID sensors ID check gt CU I F lt Paper Feed System Sensors Paper Feed Paper Registration and Eject Sensors MT Sensor Stage position and paper empty Cassette 1 Sensor Paper empty and near empty Shutter clutch belt and fuser checks Cassette size gt KHeadlF Head I F I F lt gt Head I F m MotorDrver m LSI n MotorDrver VIDEO MEM Containing 7 DRAM 9x Pulse Motors DC Motor Driver 9 DC Motor Geared Motor High Voltage Power Supply Serial Interface 2 channels Figure 2 3 Motor interruption UART interruption t The engine control block PU is controlled by the engine control board K73 PWB which co
35. as NN NN BR a 5 oa a a E agewesoszeso 2 L et 2 HM 21 fy uones ou Ted 0l p d uu a Sales e 8 0 fen eu oo 10104 P 8 LI peog eza B E a B LT n 15 ZMOdO ZMOdN peog 2MOdA io 1 ad 19340 d poy josueg 1eur SIM TA zn a e EL i ear A E US fsasogor 205 peog 00060 M N Ina FEN 08 C 5 Lm iri rmm C esos pey L7 o JON C1 oris PS ONSA I T aded x EE 91 29909 sone 227 222222272727227222222222727272272222221 pug Buipnjour A dn jo 6 pejoeuuoo 11 Figure 2 1 41388601TH Rev 2 Main Control Board CRM PWB 2 1 Figure 2 2 provides the block diagram of the main control board CRM PWB 148091 sng 19 2 sng dl 04192 9 ME 200 LEOCINHIN 15169 as AGE d L3S3uH L SUld 002 40128uu02 Nd Jeueg Joje1edo 2
36. of the heat roller thermistor within the rated value See the Figure 6 1 at room temperature 0 C 43 C approx 190 980 Q Replace the fuser unit Is the resistance of the back up roller thermistor within the rated value See the Figure 6 1 at room temperature 0 C 43 C approx 190 980 Q Replace the fuser unit Is the signal on the THERM connector Pin 6 on the engine board K73 PWB within the range below Replace the fuser unit assy Replace the fuser unit assy 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 123 Cyclical printout defects Figure 6 2 Defective Part Image Drum Solution Replace the ID unit Developing Roller Replace the ID unit Toner Supply Roller Replace the ID unit Charge Roller Replace the ID unit Fuser Roller Replace the fuser unit Transfer Roller Replace the belt cassette assembly Note After replacement of the ID unit fuser unit or belt cassette unit the corresponding counter will be reset 41388601TH Rev 2 124 Missing characters Is the LED head lens contaminated Yes Clean the lens of LED head Y wo Is each LED head assembly connected to the junction board Y71 PWB correctly No Check the cable connection and connec
37. 1 Guide Rail B 41410201 Motor Fan 41467401 Plate FG Centro 41254601 Plate blank 41278401 Screw 41366501 Limitter 2Way Front 41366601 Limitter 2Way Rear 0 0 41723901 Screw 41388601TH Rev 2 143 Figure 8 2 144 41388601TH Rev 2 Table 8 2 Top Cover Assembly Parts No Qty Recommended Q ty Year Remarks 41484401 Cover Assy Stacker 41502301 LED Assy 1200dpi ODA OEL APS 41502302 LED Assy 600dpi ODA OEL APS 40861001 LED Assy Spring 41257902 LED control PWB 41349801 Lever Stacker Full 41487101 Cover Assy Inn Sub 41514103 LED Harness M 41514104 LED Harness C 41514101 LED Harness K 41514102 LED Harness Y 41703701 Sensor Assy Tonner 41484501 Control Panel Assy 40866207 Control Panel Bezel 1200dpi 40866211 Control Panel Bezel 600dpi 2381005P0024 Control Panel Tape Harness 41484701 Eject Guide Assy 2251001P0260 26pin LED Connector 40255202 Motor Fan 80 25 4PB4083 2500P008 Screw T3x8 41388601TH Rev 2 145 Figure 8 3 1 2 41388601TH Rev 2 146 Figure 8 3 2 2 41388601TH Rev 2 147 Table 8 3 1 2 Printer Unit Chassis Parts No Recommended Q ty Year Remarks
38. 1TH Rev 2 17 2 Charging Negative DC voltage is applied to the charging roller contacting the surface of the OPC drum 3 Exposure Charging roller OPC drum The negatively charged surface of the OPC drum is radiated with light from the LED head The negative charge of the radiated portions of the drum surface attenuates in response to the intensity of the light and a latent electrostatic image responsive to the potentials of the surface is formed on the drum surface LED head LED head Charging roller OPC drum Paper OPC drum 41388601TH Rev 2 18 4 Developing By the adhesion of toner to the latent electrostatic image on the drum surface the image is changed to atoner image The developing is processed at the contact part between the drum and the developing roller D The sponge roller causes toner to adhere to the developing roller The toner becomes negatively charged Developing roller Charging roller Developing blade Sponge roller Developing roller OPC drum The developing blade removes excess toner from the developing roller and a thin layer of remaining toner is formed on the developing roller 3 The toner is drawn by the latent electrostatic image at the contact portion between the OPC drum and the developing roller The latent electrostatic image on the drum surface is made visible with the toner 5 Transferring The transfer roller which is made of conductive s
39. 5 Driving and Up and Down Movements of 1 0 Unit 1 The unit driving and up and down movements are effected by a single pulse motor The running of the main motor in the direction of the arrow a turns the lever 1 to the left Then the lever 2 that was lifted by the lever 1 lowers to move down the I D unit After the up and down sensor is turned on Figure 2 10 c the specified downward pulsing places the I D unit in its lowest position or equivalently printing position The drum gear engages with the driving gear and starts revolving to transfer an image on the drum to running paper where the one way gear idles upon placement of the lever in its lowest position 2 With the running of the main motor in the direction of the arrow b the lever 1 pushes up the I D unit via the lever 2 After the up and down sensor is activated Figure 2 10 d the lever 1 lifts the I D unit to a specified level and stops to keep space to an extent between the drum and the carrier belt Figures 2 10 c and 2 10 e The drum gear is not engaged with the driving gear and does not revolve 3 When the two pins of the up and down sensor are pushed up by the I D unit and touches and electrically connected to the plate above the pins the sensor recognizes the on state When the two pins are pushed down by the I D unit and separated and insulated from the plate the sensor recognizes the off state The installation of the I D unit can also be verified by recog
40. 601TH Rev 2 Figure 8 1 2 3 41388601TH Rev 2 139 Figure 8 1 3 3 140 41388601TH Rev 2 Table 8 1 1 3 Main Assembly Patrs No Recommended Q ty Year Remarks per per per 500 1000 2000 E 41481201 Cover Assy R 6 12 41484905 Cassette Assy 12 41353701 Cover Front CS 12 41277901 Cover Blank 12 41276401 Cover Front 12 41277401 Cover Side L 12 41484201 Stacker Face Up Assy 12 41276501 Cover Rear 12 HL O 41484601 Cover Assy MT 12 41493001 Assy 703 12 o O O O 41297101 Plate Top 12 40325101 Gear Z68 E 24 41278001 Frame Top 12 41515108 Print Engine Controller PWB 12 1200dpi 41515112 Print Engine Controller PWB 12 600dpi 41490702 Motor Fan 80 12 3 3 3 3 3 3 3 3 3 3 6 3 3 3 3 3 41275702 Microswitch Assy 12 4PB4083 2500P008 Screw T3x8 4PB4013 3100P008 Screw M3x8 4PB4083 2500P010 Screw T3x10 55943501 EEPROM 4PB4013 3100P006 Screw M3x6 41531401 Fuser Unit ODA 120V N A Fuser Unit OEL APS 41531403 Fuser Unit ODA 230V 41531501 Belt Unit ODA Belt Unit OEL APS 41514705 ID Y Type C3 41514706 ID M Type C3 41514707 ID C Type C3 41514708 ID K Type C3 N A ID Y Type C3 ID M Type C3
41. 71 PWB 3 8V Pin 1 2 3 4 5 6 7 8 Yes Is 3 8V supplied to the following cable connector pins between the junction board Y71 PWB and each LED head assembly YPOW connector Pin 3 LED head assembly yellow MPOW connector Pin 3 LED head assembly magenta CPOW connector Pin 3 LED head assembly cyan BPOW connector Pin 3 LED head assembly black No Replace the junction board Y71 PWB Y Yes Check the cable connection or replace the LED head assembly Y No Is 32 supplied to the POWER connector pins of the engine board K73 PWB 32V Pin 7 8 9 10 No Check the cable connection or replace the low voltage power supply unit Y Yes Is 32 supplied to the HVOLT connector Pin 5 of the engine board K73 PWB No Replace the engine board T Yes Check the cable connection or replace the high voltage power supply unit or belt cassette assembly Recovered Yes End Y No Is each ID terminal connected to the contact assembly correctly See Figure 6 3 No Connect the ID terminals with the contact assembly correctly Yes Replace the ID unit Notes 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 120 Band stripes in black or color in the longitudinal direction Figure 6 2 0 Is each LED head assembly connected to the junction board
42. AC cable out of the AC receptable 3 Remove the AC cable and the interface cable from the printer b To connect the printer again always use the following procedure CD Connect the AC cable and the interface cable to the printer 2 Insert the AC inlet plug into the AC receptacle 3 Flip the power switch of the printer on to I Disconnect Connect 2 Do not disassemble the printer so long as it operates properly 3 Minimize the disassembly Do not detach parts other than those shown in the replacing procedure 4 For maintenance applications use designated tools 5 Follow the order instructed to disassemble the printer Incorrect order may damage the parts 6 Small parts such as screws and collars tend to get lost so temporarily replace them in their original positions 7 When handling ICs and circuit boards such as microprocessors ROMs and RAMs do not use gloves that are likely to have static 8 Do not place the printed circuit boards directly on the printer or the floor 41388601TH Rev 2 41 Maintenance Tools Table 3 1 lists tools necessary to replace the units Table 3 1 Maintenance Tools Service Tools 1 100 Philips screwdriver Place of use 2 2 5 mm screws Remarks No 2 200 Philips screwdriver Magnetized 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner P N 4
43. Carrier Assembly Paper could not be loaded from the duplex carrier assembly Misfeed from Multipurpose Tray MT Paper could not be loaded from the MT the entrance MT sensor does not turn on within fixed time after the hopping Misfeed from Cassette 1 2 3 4 or 5 Paper could not be loaded from the cassette 1 2 3 4 or 5 the entrance cassette sensor does not turn on within fixed time after the hopping Duplex Paper Jam in Reversing The duplex rear sensor does not turn on during the paper reversing operation of the duplex unit Duplex Unit Entrance Paper Jam The duplex in sensor does not turn on during the paper loading in the duplex unit Duplex Unit Input Paper Jam Paper Ejection Jam The duplex front sensor does not turn on during the operation The paper eject sensor does not detect the end of paper within fixed time after sensing the beginning of it The paper eject sensor does not turn off after it turns on Paper Carriage Jam The paper eject sensor does not turn on while paper is running on the belt Loading Jam Paper does not reach the entrance belt sensor or the MT sensor after the completion of the hopping MT Paper Empty Printing occurs with no paper in the MT Cassette 1 2 3 4 or 5 Paper Empty 4 Duplex Rear Sensor jw c o D x 5 o 5 o The cassette 1 2 3 4 or 5 has no paper Entrance belt sensor
44. Configuration Without parity and ECC Requires the SPD information Number of chips contained 8 or 16 5 EEPROM The EEPROM 16Kb an 8 pin DIP package is inserted into the IC socket supplying the 3 3V power Settings for controlling the controller block are stored in the memory 6 Flash ROM A 2 megabyte flash ROM is surface mounted on the CRM board The flash ROM composed of four chips of 256 kilo x 16 bits can store fonts and macros 7 Memory Control LSI CI A 696 pin BGA package ASIC made by NEC which is equipped with a cooling heat sink and mainly controls the CPU I F memory video data compression and decompression and PU video I F 8 Interface Control LSI C2 A BGA package ASIC made by Toshiba which controls the PU command I F operator panel I F IDE I F Centronics I F USB I F PCI I F EEPROM and SPD SDRAM DIMM I F 9 IDE HDD An IDE connector is surface mounted on the board to which an IDE HDD assembled using molds for the purpose is connected The IDE HDD is used for storing font data spooling edited video data temporarily and registering form data 10 PCI Bus Option Two PCI I F slots are provided for option board use The bus which uses an Oki Data original connector can accept an Ethernet board Host Interface Standard Centronics two way parallel IEEE 1284 compliant USB USB1 1 compliant Additional Board connected to PCI BUS Ethernet Board 11 41388601TH
45. Duplex unit is removed from the printer Recovered if the Duplex unit is inserted again Normal Replace the Duplex unit or Engine board Check DUPLEX 370 Paper Jam Paper jam detected after paper reverse in the Duplex unit 1 Is a paper jammed in the Duplex unit Remove the jammed paper Check the Duplex unit or replace it Check DUPLEX 371 Paper Jam Paper jam detected at the Duplex unit 1 15 a paper jammed in the Duplex unit Remove the jammed paper Check the Duplex unit or replace it Check DUPLEX 372 Paper Jam Paper jam detectedd uring paper feed from the Duplex unit 1 Does misfeed occur in the Duplex unit Remove the misfed paper and close the cover Check the Duplex unit or replace it Open Side Cover 380 Paper Jam Paper jam during paper feed from the Cassette 1 2 3 4 or 5 1 Does misfeed occur in the specified cassette Remove the jammed paper and install the cassette Check the Cassette 1 2 3 4 or 5 or replace it Open Stacker Cover 381 Paper Jam Paper jam detected btwn the B ID and Fuser 1 Is a paper jammed between the Y ID and Fuser 2 Is the load on the Fuser unit normal Remove the jammed paper Replace the Fuser unit Open Stacker Cover 382 Paper Jam Paper jam detected in the Fuser unit or btwn the Fuser and paper ejection 1 Is a paper jammed in the Fuser unit or between the Y ID and Fuser unit 2 Is
46. OKI C9000 Series Color LED Page Printer Service Manual ODA 05 18 200 Based on Rev 2 2000 12 05 Document Revision History Corrected items Page Description of change ISSUE Person in charge EM3 Murakami 2000 12 13 Correction of errors in the parts list K Yamazaki 05 18 2001 ODA Revisions ODA Training 41388601TH Rev 2A 2 PREFACE This maintenance manual provides procedures and techniques for the troubleshooting maintenance and repair of C9000 This manual is written for maintenance personnel but it should always be accompanied with the C9000 User s Manualfor procedures for handling and operating C9000 For repairing each component of C9000 see the Troubleshooting manual Notices The contents of this manual are subject to change without prior notice Although reasonable efforts have been taken in the preparation of this manual to assure its accuracy this manual may still contain some errors and omissions OKI will not be liable for any damage caused or alleged to be caused by the customer or any other person using this maintenance manual to repair modify or alter C9000 in any manner Warning Many parts of C9000 are very sensitive and can be easily damaged by improper servicing We strongly suggest that C9000 be serviced by OKI s authorized technical service engineers 41388601TH Rev 2 3 CONTENTS T SPECIFICATIONS
47. PB4083 2248P001 Cleans LED head High voltage probe 41388601TH Rev 2 42 Parts Layout 3 2 Figure 3 1 43 41388601TH Rev 2 Top Cover Assy Figure 3 2 44 41388601TH Rev 2 Printer Unit 1 2 Figure 3 3 45 41388601TH Rev 2 Printer Unit 2 2 Figure 3 4 46 41388601TH Rev 2 Cassette Guide Assy L R Figure 3 5 47 1 41388601TH Rev 2 48 41388601TH Rev 2 Duplex Unit Figure 3 6 49 41388601TH Rev 2 3 3 Replacing Parts This section describes how to replace the parts and assemblies illustrated below 41531301 4 r 41515110 Print Engine Controller PWB 3 3 22 41502304 x 4 LED Assy 3 3 2 40737401 Power Unit AC DC Switching 115V 3 3 34 40737501 Power Unit AC DC Switching 230V 3 3 34 40737601 HV Power Supply 3 3 35 41531402 41531404 Fuser Unit 3 3 37 41531502 Belt Unit 3 3 38 41178202 Duplex Unit 3 3 39 41480901 7 41483001 Printer NIP Printer Unit 41481001 Unit Lower Frame 3 3 36 H 41500101 Insurator 41483701 Main Cooling Fan Assy 3 3 18 2381018P0001 HV Tape Harness 41484101 Electrical Chassis 3 3 21 41483801 Main Motor Assy 3 3 32 41483902 Belt Motor Assy
48. Printed Papers 480 Stacker Full The stacker for ejected papers is full 1 Is the stacker full 2 Does the Stacker full sensor operate normally Remove papers from the stacker Replace the Stacker full sensor 41388601TH Rev 2 104 Message Load Papers 490 No paper in the MP Tray M B5 etc The specified cassette has no paper or is removed Or the cassette be ingused for printing has no more paper Table 6 1 1 Operator Alarms 5 5 Error Description 1 No paper in MT 2 Does the Paper out sensor operate normally Solutions Load papers in MT Replace the Paper out sensor Load Papers 491 495 No paper in the Tray M B5 etc No paper in the Cassette 1 2 3 4 or 5 detected 1 No paper in the specified cassette 2 Does the Paper out sensor operate normally Load papers in the specified cassette Replace the Paper out sensor of the specified cassette Replace Belt The belt counter has reached the life value 1 Is the error message displayed 2 Does the error occur soon after Belt unit replacement Check the belt life Replace the Belt unit immediately or at the next maintenance Replace Fuser The fuser counter has reached the lifevalue 1 Is the error message displayed 2 Does the error occur soon after Fuser unit replacement Check the fuser life Replace the Fuser unit immediately or atthe n
49. ance 98 5 1 Parts to be Replaced Regularly 98 5 2 Gleanitig et ne eri ede cto e E Aera Leder te 98 5 3 Cleaning of LED Lens Array nnnm aaa aa aaa aa aaa s 98 5 4 Cleaning of Pick Up Roller sic utc ted ette 98 TROUBLESHOOTING PROCEDURES 111 99 6 1 Tips for 5 99 6 2 Check Points before Correcting Image Problems 99 6 3 Tips for Correcting Image 99 6 4 Preparation for 100 6 5 Troubleshooting nn nnns nennen 100 6 5 4 LCD Message List cim ied t 101 6 5 2 LCD message troubleshooting ssssseseeeneeeee nnne 106 6 5 3 Image 117 WIRING DIAGRAM ias ine 129 7 1 Resistance Click ee bate b it os 129 752 Parts Layout On Boards oai teet Mex date 134 ii e iii i iii i a G i i i O i i k S 138 41388601TH Rev 2 5 The basic system configuration of C9000 is illustrated Figure 1 1 SPECIFICATIONS Basic System Configuration 1 1 1 aanbid xeidng
50. at room temperature 0 C 43 C approx 190 980 Q Yes Replace the fuser unit Does the back up roller thermistor have a open or short circuit See Figure 6 1 at room temperature 0 C 43 C approx 190 980 Q Yes Replace the fuser unit Does the fuser error occur about 3 min after the printer is turned on Go to Is the fuser s heater on Does it get hot Replace the engine board Replace the fuser unit Does AC voltage appear between CN1 connector Pin 1 and Pin3 of the low voltage power supply unit Replace the low voltage power supply unit Replace the fuser unit Bottom part of Fuser Unit Figure 6 1 41388601TH Rev 2 115 Fan Motor Error Does the fan of the low voltage power supply unit rotate after the printer is turned on Yes Does the error recur after the fan of the low voltage power supply unit has been replaced Yes Replace the low voltage power supply unit End T Yes Does the engine board fan rotate after the printer is turned on No Is 32V supplied to the FAN connector Pin 1 on the engine board K73 PWB No Is 32V supplied to the POWER connector pins on the engine board K73 PWB 32V Pin 7 8 9 10 No Check cable connection or replace the low voltage power supply unit Yes Replace the engine board T Yes Replace the fan of the engine board Y Yes Does the fuser fan rotate after the printer is turned on No Is 32V supplied to the JOBOFF connecto
51. atch springs 4 become detached 41388601TH Rev 2 55 ct guide Assy 3 8 6 Eje ews 1 to detach the eject guide Assy 2 Remove the seven scr 1 r gt 2 S Mi mp S AER 56 41388601TH Rev 2 3 3 7 Cassette Assy Blind cover Side cover R Assy 1 Detach the cassette Assy 1 3 4 Unscrew the two screws to remove the stopper 4 1 2 Disengage the blind cover 2 at the two places to detach it 3 4 Disengage the claw on the left support of the side cover to detach the side cover 41388601TH Rev 2 57 3 3 8 Feed rollers 1 Remove the cassette 2 Unlatch and demount the feed rollers 1 41388601TH Rev 2 58 3 3 9 Left side cover 1 Remove the four screws 1 to detach the left side cover 2 41388601TH Rev 2 59 3 3 10 Face up tray 1 Open the face up tray in the arrow direction and move the links 2 out of engagement at two places each of the links to detach the face up tray 1 Mil Mri 41388601TH Rev 2 60 3 3 11 Front cover 1 Open the top cover 2 Disengage the claws and remove the blind cover 2 3 Unscrew the six screws to detach the front cover 3 41388601TH Rev 2 61 3 3 12 Rear cover lt Open the top cover 1 2 nd to detach the rear cover ews 3 a
52. by the user is broken and not suitable for further use the EEPROM on the new board may be used 41388601TH Rev 2 97 5 REGULAR MAINTENANCE 5 1 Consumables to be Regulary Replaced It is recommended that a user should replace the consumables below according to the replacement standard If not replaced print quality is not assured or it may result in a failure Part Name Time for Replacement Replacement Condition Adjustment after Replacement Large capacity When the message Toner Low After 15 000 copies have Replace the Toner cartridge Toner Cartridge is displayed been printed ID Cartridge When the message Drum Life After 26 000 copies have Reset the drum counter is displayed been printed at 3P J after drum replacement Fuser Unit When the message Fuser Life After 80 000 copies have Reset the fuser counter is displayed been printed Belt Unit When the message Belt Life is After 80 000 copies have Reset the belt counter displayed been printed at 3P J The above consumables replacement may be performed by a user 5 2 Cleaning Theinside and outside ofthis printer should be cleaned with ahand vacuum cleaner if necessary Note Do not touch the Image drum terminal LED lens array and LED head connectors 5 3 Cleaning of LED Lens Array When a longitudinal white band or stripes that is void or light printing appear on a printed paper surface the LED lens array should be cleaned
53. ce menu is included in the general menu of this printer Choose the maintenance menu for adjustment 4 1 X Maintenance Menu and Its Functions The general menu has the category MAINTENANCE MENU The items adjustable in this menu are shown below Maintenance Menu Category Item 1st Line Value 2nd Line DF Functions MAINTENANCE MENU Save Mode Enabled Sets the Power Save Mode Disabled enabled disabled The shift time to enable the Power Save mode can be changed according to the POWER SAVE SHIFT TIME item of SYSTEM CONFIG MENU Normal Paper Black Implements fine adjustment of Setting BLACK printing on normal paper when unclear characters or spots are often found on print results With dispersed or snowed printing in the part at high density decrease the value With unclear printing increase the value Normal Paper Color Implements fine adjustment of Setting COLOR printing on normal paper when unclear characters or spots are often found on the print result With dispersed or snowed printing in the part at high density decrease the value With unclear printing increase the value Transparency Black Implements fine adjustment of Setting BLACK printing on Transparency when unclear characters or spots are often found on the print result With dispersed or snowed printing in the part at high density decrease the value With unclear printing increase the value Transparency Color Implements fine adju
54. connection or replace the size detecting board B73 PWB Yes Check cable connection or replace the engine board 41388601TH Rev 2 113 Image Drum Unit IDU Up Down Error Turn off the printer wait a few seconds then turn it on again Does each drum unit rotate properly while printing No 15 the resistance of the IDU motor at the rated value approx 4 0 No Replace the defective IDU motor Y Yes Is 32V supplied to the POWER connector Pins 7 10 on the engine board No Replace the low voltage power unit Y Yes Check cable connection or replace the engine board Y Ves Does the IDU sensor lever work adequately No Check gear engagement and the sensor lever operation or replace the defective gear or sensor lever Yy Yes Does the IDU sensor operate properly Verify the signal on the JODEN connector pins on the driver board K73 PWB Pin 4 IDU sensor cyan Pin 14 IDU sensor black Pin 2 IDU sensor magenta Pin 12 IDU sensor yellow No Replace the junction board N73 PWB 4 Yes Checkthe cable connection between the junction board N73 PWB and engine board K73 PWB or replace the engine board 41388601TH Rev 2 114 5 Fuser Unit Error Does the fuser error occur immediately after the printer is turned on Yes Y No Y No Y Yes Yes No Y No No Y Yes Does the heat roller thermistor have a open or short circuit See Figure 6 1
55. ctors 3 Remove the two screws 1 to demount the main motor Assy 2 41388601TH Rev 2 82 3 3 33 Contact Assy Side plate Assy 1 Remove the printer unit chassis see section 3 3 23 2 Remove the four screws 1 to detach the side plate Assy 2 3 Remove the three screws 3 to detach the contact Assy 4 41388601TH Rev 2 83 3 3 34 Low voltage power supply 1 Remove the printer unit chassis see section 3 3 23 2 Unhook the connector 1 3 Remove the eight screws to demount the low voltage power supply 5 41388601TH Rev 2 84 3 3 35 High voltage power supply 1 Remove the contact Assy see section 3 3 33 2 Unhook the connector of the high voltage power supply 2 3 Remove the two screws 1 to detach the high voltage power supply 2 and the tape harness 3 2 41388601TH Rev 2 85 3 3 36 Main feed Assy 1 Remove the printer unit chassis see section 3 3 23 2 Remove the low voltage power supply and high voltage power supply see sections 3 3 34 and 3 3 35 3 Unscrew the five screws to remove the lower plate 2 4 Unscrew the six screws 3 to demount the main feed Assy 4 5 Unscrew the screws 5 to detach the cable and then the PCB size board 6 Unscrew the screw 7 to detach the duplex connector 8 7 Unscrew the screws 9 to detach the second tray connector 9 41388601TH Rev 2 86 3 3 37
56. e Type C3 M 7 5K APS N A Toner Cartridge Type C3 C 7 5K APS N A Toner Cartridge Type C3 K 7 5K APS 41356019 PCB Assy CRM 1200dpi 41356020 PCB Assy CRM 600dpi 8164323M0000 EEPROM CU 41469504 Board TNY 41388601TH Rev 2 142 Patrs No Table 8 1 3 3 Recommended Q ty Year per per per 500 1000 2000 Remarks 41437418 Board Memory 64MB 3 6 12 600dpi ODA N A Board Memory 64MB 12 600dpi OEL N A Board Memory 64MB 600dpi APS 41437419 Board Memory 128MB 3 6 3 6 12 3 6 12 600dpi Duplex ODA 1200dpi ODA Board Memory 128MB 600dpi Duplex OEL 1200dpi OEL Board Memory 128MB 600dpi Duplex APS 1200dpi APS 41437420 Board Memory 256MB 1200dpi Duplex ODA N A Board Memory 256MB 1200dpi Duplex OEL N A Board Memory 256MB 1200dpi Duplex APS 41437418 Board Memory 64MB 1200dpi ODA 41437414 Board Memory 64MB 1200dpi OEL 41437410 Board Memory 64MB 3 3 3 3 3 3 1200dpi APS 41376902 Board MLETB09 9 Option OEL 41437302 Board MLETB09 9 Option APS 41376005 HDD Assy Option ODA 41376004 HDD Assy 9 Option OEL 41376002 HDD Assy wo q 9 Option APS 41286901 Plate Shield 41278601 Guide Rail A 4127870
57. e cable connection replace the high voltage power unit or belt cassette assembly Recovered Yes End Y No Is each ID terminal connected correctly to the contact assembly See Figure 6 3 No Connect the ID terminals with the contact assembly correctly Y Yes Replace the ID unit Notes 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 118 Dark background Figure 6 2 Yes T No Yes Y Yes Yes Y Yes Y No Yes Y No No Y Yes No Yes Yes Y No No Y Yes Notes t Was each ID exposed to external light for a long time Replace the ID unit Note Reset the counter after replacement Are the rollers in the fuser unit contaminated Replace the fuser unit Adjust the setting of MEDIA TYPE Light 60 g sq m Med light 64 74 g sq m Medium 75 90 g sq m Med heavy 91 104 g sq m Heavy 105 122 g sq m Ultra heavy 123 175 g sq m Set the MEDIA TYPE properly Is each LED head assy connected to the junction board Y71 PWB correctly Connect each LED head assy to the junction board Y71 PWB appropriately Is 3 8V supplied to the following POWER connector pins on the junction board Y71 PWB 3 8 V Pins 1 2 3 4 5 6 7 and 8 Is 3 8V supplied to the following cable connector pins betwe
58. ecome detached together with the LED Assy 3 Detach the LED connector 4 When assembling attach the LED connector 4 to the LED head and insert the flat cable 41388601TH Rev 2 52 3 3 3 Top cover unit 1 Remove the top cover see section 3 3 1 1 2 Remove the rear cover see section 3 3 12 3 Remove the front cover see section 3 3 11 4 Remove the electrical chassis see section 3 3 21 5 Unscrew the screws 1 and to remove the limiters 3 and R 2 6 Remove the inner shaft 5 then the top cover unit 8 The inner springs 6 and 7 become detached 41388601TH Rev 2 53 3 3 4 Control panel Assy Control panel bezel LED control PWB Toner sensor Stack sensor Control panel tape harness Eject roller 1 Detach the control panel bezel 1 1 2 Remove the screws 2 to demount the control panel 3 3 Detach the control panel tape harness 4 4 Remove the screws 6 unhook the connector 7 and demount the LED control PWB 8 5 Unscrew the screws 9 to remove the plate 40 6 Disengage the claw to demount the toner sensor 1 7 Demount the stacker full sensor 2 8 Unscrew the eject sensor bracket 43 4 41388601TH Rev 2 54 3 3 5 cover handle Top cover latch Top cover latch spring 1 Remove the two screws 1 to detach the top cover handle 2 and disengage the top cover latch 3 The two top cover l
59. en the junction board Y71 PWB and each LED head assy YPOW connector Pin 3 LED head assy yellow MPOW connector Pin 3 LED head assy magenta CPOW connector Pin 3 LED head assy cyan BPOW connector Pin 3 LED head assy black No Replace the junction board Y71 PWB Check the cable connection or replace the LED head assy Check the cable connection or replace the low voltage power supply unit Recovered End Is 32V supplied to the POWER connector pins on the engine board K73 PWB 32 Pins 7 8 9 and 10 Check the cable connection or replace the low voltage power supply unit Is 32 supplied to the POWER connector pins of the engine board K73 PWB Replace the engine board Check the cable connection or replace the high voltage power supply unit or belt cassette assy Recovered End Is each ID terminal connected to the contact assembly correctly See Figure 6 3 Connect the ID terminals with the contact assembly correctly Replace the ID unit When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 41388601TH Rev 2 119 8 Blank paper Figure 6 2 5 each LED head assembly connected to the junction board Y71 PWB and Engine board K73 PWB correctly No Check the cable connection the LED assembly with the junction board Y71 PWB and engine board T Yes Is 3 8V suppliedto the following POWER connector pins on the junction board Y
60. er Low 0224 1 0 36 2 11 Paper Size Detection saaa anna eksas anna aa ania a Aaaa trennen enn nnns 37 2 12 Operation at 0 nennen nennen nene 38 212 1 Self diagnostiC test ice etre ect nen Heres roni pte 38 2 13 Color Misalignment Detection 20 4 0 0 1 0 nennen nnne 39 2 14 Version Read of Periodically Replaced Units se 40 2 15 Life Counter for Replaceable Units sse 40 2 16 Toner Consumption Detection nennen nnne 40 3 PARIS REPLACEMENT 2352 3 rece cus ce ene ku ta ara rude vea nnus eo aae aat 41 3 1 Precautions in Replacing 41 3 2 Parts LAYOUT iiie ie et He ME od uem edu me ues 43 3 9 Replacing nep dece cedem d e ce v i cede ck e aa coi ud 50 siete e A RR ee 51 3 3 2 LED Assy LED Assy spring eene 52 3 3 9 TOP COVEMUNIT Pet t d eto e Fete re eed e a 53 3 3 4 Control panel Assy Control panel bezel LED control PWB Toner sensor Stack full sensor Control panel tape harness Eject roller 54 3 8 5 Top cover handle Tope cover latch Top cover latch spring 55 3 9 6 Ej ct guide ASSy noe ndi fnr i RE a ie
61. ered on Yes Is the paper jammed at the entrance cassette sensor or the entrance MT sensor Yes Remove the paper jam Y No Does the lever of the entrance MT sensor operate normally No Replace the defective sensor lever Y Yes Does the entrance MT sensor work properly Operate the sensor lever and confirm that the sensor works properly with the signal on the FSENS connector pin on the engine board K73 PWB Pin 2 Entrance MT sensor No Check the connection of the signal cable or replace the sensor board R71 PWB T Yes Check the signal cable connection or replace the engine board Y No Does the paper jam occur immediately after paper is fed Yes Does the paper reach the entrance MT sensor Yes Goto 4 No Replace the multipurpose tray assembly X No Does the registration motor rotate properly No Is 32V supplied to the POWER connector Pins 7 10 on the engine board No Replace the low voltage power supply unit Yes Checkthe connection of cables or replace the engine board Yes Go to 2 3 Paper Feed Jam 41388601TH Rev 2 109 2 3 Paper Feed Jam t Does the paper jam occur immediately after the printer is powered on Yes Is the paper jammed at the entrance belt sensor Yes Remove the jammed paper Y No Does the lever of the write sensor work right No Replace the lever of the write sensor Y Yes Does the entrance belt sensor work properly Operate the sensor lever and verify the signal on
62. ext maintenance Job Offset Home Error The Job offset assy does not operate or cannot detect the home position Does the Job offset assy operate normally Replace the Job offset sensor Replace the Job offset motor or Engine board Running Short of Paper in Tray Running short of paper detected Does only small mount of papers approx 30 sheets or less remain Load papers Check the Paper near end sensor Disc Operation Error HDD cannot be written Is the operating procedure correct Confirm the procedure in the manual Replace the HDD as it is broken 41388601TH Rev 2 1057 6 5 2 LCD message troubleshooting 1 LCD Message The message on the LCD liquid crystal display tells the problem situation of the printer Implement the appropriate troubleshooting base on the message Problem Flowchart Number The printer does not work normally after being turned on JAM Error Paper Input Jam 1st Tray Paper Input Jam MT Paper Feed Jam Paper Eject Jam DUPLEX Jam Paper Size Error 1 0 Unit Up Down Error Fuser Unit Error Fan Motor Error Note When replacing the engine board L73 PWB demount the EEPROM chip from the old board and remount it on the new one 41388601TH Rev 2 106 D The printer does not work normally after turned on Turn off the printer wait a few seconds then turn it on again s nmmumummmmmm di
63. ges images in inappropriate color tone on the whole printout area Figure 6 2 Is toner low Is the message Toner Low displayed Yes Supply toner Y No Is the specified paper used No Use the specified paper Y Ves Is the lens of the LED head dirty Yes Clean the LED head lens T No 15 each LED head assy connected properly to the junction board Y71 PWB and engine board K73 PWB No Check the cable connection between each LED head and the engine board and connect the cable between the LED head and the engine board properly Y Ves Is 3 8V supplied to the following POWER connector pins on the junction board Y71 PWB 3 8V Pins 1 2 3 4 5 6 7 and 8 Yes Is 3 8V supplied to each LED head assy from the junction board Y73 PWB YPOW connector Pin 3 LED head assy yellow MPOW connector Pin 3 LED head assy magenta CPOW connector Pin 3 LED head assy cyan BPOW connector Pin 3 LED head assy black No Replace the junction board Y71 PWB T Yes Check the cable connection or replace the LED head assy Y Check the cable connection or replace the low voltage power supply unit Recovered Yes End Y Is 32 supplied to the POWER connector pins on the engine board K73 PWB 32 Pins 7 8 9 and 10 No Check cable connection or replace the low voltage power supply unit Y Is 32V supplied to the HVOLT connector Pin 5 on the engine board K73 PWB No Replace the engine board T Yes Checkth
64. gine board K73 PWB connected with the junction board correctly No Connect the engine board with the junction board correctly Y Ves Check the cable connection or replace the engine board K73 PWB Recovered Yes End T No Is each ID terminal connected to the contact assembly correctly See Figure 6 3 No Connect the ID terminals with the contact assembly correctly 4 Yes Replace the ID unit Notes 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 122 Poor fusing Images are blurred or peeled off when touched with a hand No T Yes No T Yes Yes 7 Y Yes No T Yes No Y Yes No Y Yes No Y Yes Notes Is the specified paper used Use the proper paper Is the contact of the fuser unit connected correctly Connect the contact of the fuser unit properly Are the rollers in the fuser unit contaminated Replace the fuser unit Is the MEDIA TYPE MENU 1 set correctly Light 60 g sq m Med light 64 74 g sq m Medium 75 90 g sq m Med heavy 91 104 g sq m Heavy 105 122 g sq m Ultra heavy 123 175 g sq m Set the proper MEDIA TYPE Does AC voltage appear between the CN connector Pin 1 and Pin 3 of the low voltage power supply unit Replace the low voltage power supply unit Is the resistance
65. he CRM board The EEPROM needs replacement Service Call 063 Error Network Comm Error CU I F Problem Is the network board installed properly Can the printer recover from the error by replacing the network board Install the network board properly Replace the network board Replace the CRM board The EEPROM needs replacement Service Call 070 Error CANT HAPPEN PS F W Problem Detection Is it recovered by turning the printer off on Replace the CRM board The EEPROM needs replacement Service Call 072 Error Engine Communication Error PU CU I F Error Is the CU Assy installed properly Can the printer recover from the error by replacing the CRM board Install the CU Assy properly Replace the CRM board The EEPROM needs replacement Replace the PU board Service Call 073 Error 075 Error Video Overrun Detect Is the CU Assy installed properly Can the printer recover from the error by replacing the CRM board Install the CU Assy properly Replace the CRM board The EEPROM needs replacement Service Call 100 100 Error Error detected at Engine ROM Checksum when turned on Does the error repeat Replace the PU board Replace the engine control board K73 Service Call 102 Error Error detected at Engi RAM Read Write whe turned on Does the error repeat Replace the engine control board K73 Service Cal
66. here the registration roller Assy B does not move as its one way clutch gear 1 idles 3 After the front edge of the paper turns the entrance sensor on the paper is forwarded a fixed length The paper stops when its front edge reaches the registration roller Assy B 4 Concurrently the cam pushes down the hopping plate The release lever that has been placed in its original position by the spring locks the hopping plate Figure 2 8 c 5 Afterthe completion ofthe paper feed operation the registration motor runs in the direction ofthe arrow b to drivethe registration roller Assy B where the one way clutch gear does not allow the MT feed roller to move Oneway clutch gear 2 MT feed roller Entrance sensor Paper Entrance belt sensor Registration motor Spring Hopper plate Micro SW Figure 2 8 a Figure 2 8 b Figure 2 8 c 41388601TH Rev 2 24 4 Carrier Belt 1 The running of the carrier belt motor in the direction of the arrow a drives the carrier belt The belt unit sits with one carrier roller immediately below each color s drum and the carrier belt between them By the application of a fixed voltage the carrier belt and carrier roller feed paper on the carrier belt into the fuser unit transferring a toner image from each color s drum Drum Carrier belt Carrier transfer roller j Carrier transfer belt motor Figure 2 9 41388601TH Rev 2 25
67. ied onto the carrier belt Registration roller Assy B Registration motor Entrance belt sensor Entrance cassette sensor Registration roller Assy A Feed roller Electromagnetic clutch Pickup roller Retard roller Loading motor Figure 2 6 41388601TH Rev 2 22 2 Paper Loading from Option Tray 1 The paper loading motor runs CW the paper loading clutch is engaged and until the carrier sensor on a tray which sits atop a loading tray is turned on paper is advanced 2 After the paper turns the carrier sensor on the paper is forwarded a further fixed length and touches the carrier roller this corrects paper skew 3 The carrier clutch is thrown in and the paper is fed into the main body Pinch roller Cartier roller Cartier clutch Carrier sensor Planetgear Feed roller Paper loading clutch Uppertray 4 lleida NG i NSS Sey a _ Optional paper loading tray Paper loading sensor N Pickup roller Figure 2 7 41388601TH Rev 2 23 3 Paper Loading from Multipurpose Tray 1 The release lever usually pushes down the hopping plate to a position to turn the micro SW on Figure 2 8 a 2 The running of the motor in the a direction drives the MT feed roller causing the cam to turn The cam pushes the release lever and the hopping plate picks up paper sent out by the MT feed roller Figure 2 8 b w
68. jorpsuege 22 099 E zd Fed I tu 214 LL Tey Or pepene gt lt 2 e ues 2 a 55 Sd OF Ol ved 440807 MUM m E B S 0 peu yoinig Eu 5160297 5 Bupe01 7 o SHUM 08 amp 2 E n armed Ed 915 poyon 7 2 0519 II Dosis Y3LLNHS 00 jennus 5 NOJA To pid osuos upimseded poy va usnm E E sone enou pieog 1 pieiey sw Ww va em 9 fen sosueg Bupeo Ord 8 POG EEA TH poy ai T ms edo swo p 1 pes epis cam ca Bupeo1 pieog Em HA pug Conky fies 100 Lu 1edeq Vul paoa suns fis nao naaj se syiom 2000 E i L 2 W x 15 100 seop 1 1 1 1 ites 0 H H H H 5 B EL is 3 3 3 3 s3 8 OLL 1 0 1 iL I s 8 Uno
69. l 103 Error Error detected at Engine SRAM Read Write when turned on Does the error repeat Replace the engine control board K73 Service Call 104 Error Error detected at Engi EEPROM Checksum when turned on Does the error repeat Replace the engine control board K73 Service Call 105 Error EEPROM not detected when turned on No EEPROM Does the error repeat Confirm the existence of EEPROM Without it mount an EEPROM Replace the engine control board K73 Service Call 106 Error Error detected at Engine Control Logic Does the error repeat Replace the engine control board K73 Service Call 120 Error 122 Error Error detected at the Power unit cooling fan in the Controller cavity 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the Fan motor Service Call 123 Error Inappropriate ambient RH detected by a sensor 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the RH sensor Service Call 124 Error Inappropriate ambient temp detected by a sensor 1 Is the error message displayed 2 Does the error repeat Turn off on the printer Replace the temperature sensor 41388601TH Rev 2 102 Message Service Call 125 Error Error detected at the MT home position Table 6 1 1 Operator Alarms 3 5
70. lace the RAM DIMM Replace the CRM board The EEPROM needs replacement Service Call 038 Error Slot4 RAM Spec Error The CU RAM Slot4 DIMM specification is notsupported Is the RAM DIMM a genuine part Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM Use a genuine RAM DIMM Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM board The EEPROM needs replacement 41388601TH Rev 2 101 Message Service Call 040 Error CU EEPROM Error Table 6 1 1 Operator Alarms 2 5 Error Description Can the printer recover from the error by replacing the EEPROM on the CU board Solutions Replace the EEPROM Settings of the user must be restored on the new Replace the CRM board The EEPROM needs replacement Service Call 041 Error U Flash Error On CU board Flash ROM Error Does the error message appear again Replace the CRM board The EEPROM needs replacement Service Call 050 Error Operator Panel Error Does the error message appear again See the flowchart for the problems with no LCD message displayed Service Call 051 Error CU Fan Error On CU board CPU Cooling Fan Problem Is the on CU board connector connected properly Can the printer recover from the error by replacing the fan Connect the connector properly Replace the fan Replace t
71. lative Humidities Temperature Temperature F Temperature Remark 17 to 27 C Temperatures to Operating 70570 0 10 3 assure full color print quality Non Operating 32 to 109 4 0 to 43 Power off Storage Max One Year 14 to 109 4 10 to 43 With drum and toner Transport Max One Month 20 to 122 29 to 50 With drum and without toner Transport Max One Month 20 to 122 29 to 50 With drum and toner Humidity Relative Humidity Max Wet Bulb Temperature Remark Operating 20 to 80 50 to 70 Humidities to assure full color print quality Non Operating 10 to 90 Power off Storage 10 to 90 Transport 10 to 90 13 Printer Life 1 000 000 pages on a A4 basis or five years 41388601TH Rev 2 10 array OPC dry single component non magnetic developing roller transfer and heat compression C9000 a tandem color electrophotographic page printer adopts technologies such as 4992 LED fusing The printing method is black writing by shedding light on print areas Figure 2 1 provides the block diagram of this device OPERATION DESCRIPTION 2
72. nce belt actuator 5 41388601TH Rev 2 76 3 3 27 motor fan Fuser eject roller Unscrew the two screws 1 to remove the fan Assy 2 1 2 Unscrew the fuser eject roller contact 2 3 Remove the fuser drive gear 5 4 Unscrew the fuser drive gear Assy 8 5 Remove the screws and washers 0 to demount the fan 1 6 Unlatch and detach the fuser eject roller bearing L 42 and fuser eject roller 3 41388601TH Rev 2 77 3 3 28 Eject sensor Assy 1 Remove the fuser eject roller see section 3 3 27 2 Remove the screw 1 and connector 2 to demount the red blue eject sensor Assy 2 41388601TH Rev 2 78 3 3 29 Fuser latching handle L 1 Remove the latching handle spring 2 Unscrew the fuser latching handle L 3 41388601TH Rev 2 791 3 3 30 Belt motor Assy 1 Remove the fuser latching handle R see section 3 3 32 2 Unscrew the two screws 1 to detach the two connector 3 Demount the belt motor Assy 3 41388601TH Rev 2 80 3 3 31 Fuser latching handle 1 Remove the printer unit chassis see section 3 3 23 2 Remove the E ring D 3 Remove the fuser latching handle spring 2 to detach the fuser latching handle R 3 41388601TH Rev 2 81 3 3 32 Main motor Assy 1 Remove the belt motor Assy see section 3 3 30 2 Remove all the conne
73. nizing the off state of the up and down sensor unit Lever 2 Figure 2 10 a Figure 2 10 b 41388601TH Rev 2 26 Plate NL zy Pin Spring Board Up and down Sensor Figure 2 10 c Figure 2 10 e 41388601TH Rev 2 27 6 Fuser Unit and Paper Ejection 1 A single pulse motor drives the fuser unit and the eject rollers In response to the running of the heat motor in the direction of the arrow a the heat roller turns This roller fuses a toner image to paper by heat and pressure 2 At the same time the four eject rollers move to eject the paper 3 The paper separator solenoid switches the path back and forth between the route to the face up stacker and the route to face down stacker Eject rollers 2 KC3 117 TEN Heat rollers Paper separator la Face up stacker Fuser motor Figure 2 11 41388601TH Rev 2 28 7 Duplex Unit 1 When the duplex unit receives an instruction from the printer to print on both sides of a sheet of paper the solenoid opens the separator after the completion of one side printing of a sheet of paper sent from the tray The path is switched to that to the duplex unit At this time as the roller 1 turns in the direction of the arrow the paper is retracted on the rear of the cassette 2 When fixed time ha
74. nsists of a CPU MSM66Q577 general LSI chip flash ROM EEPROM pulse motor drivers and video memory see Figure 2 3 1 CPU This a 16 bit CPU with an AD converter OKI MIM66Q577 controls the entire system 2 General LSI This LSI MG63P011 001LA which is contained in the printer engine control block incorporates 4 megabits of video memory and has functions such as engine controller interfacing LED interfacing motor control sensor input video memory control main scan color misalignment correction skew correction and high voltage power supply control 41388601TH Rev 2 14 3 Flash ROM 8 megabits of flash ROM MBM29F800TA 70 which stores PU programs 4 EEPROM 4 kilobits of EEPROM NM93C66N NW which is mounted onthe board with an IC socket and stores correction values 5 Pulse Motor Driver The pulse motor driver 2918 2919 A3955 drives nine pulse motors to revolve the EP and carry media 6 SRAM This SRAM 62256LFP 7LL is used as working memory of the CPU 2 3 Power Units There is a low voltage power unit which consists of an AC filter circuit low voltage power circuit and heater driver circuit and a high voltage power unit which supplies a high voltage power circuit 1 Low Voltage Power Unit This circuit generates the following voltages Output voltage Logic circuit power supply Use for Logic circuit power supply Motor and drive voltage for high v
75. nt it on the new one 2 In case the EEPROM chip is not replaced see Item 2 in Sec 6 5 2 41388601TH Rev 2 127 Ground Toner Supply Roller Figure 6 3 41388601TH Rev 2 128 c 9H 10988617 621 Transfer Belt Motor Circuit Diagram Illustration Resistance Between pins 1 and 2 7 90 Between pins and 4 7 90 Main Motor Y Between pins 1 and 2 2 40 Between pins 3 and 4 2 40 Main Motor M Between pins 1 and 2 2 40 Between pins 3 and 4 2 40 x99u2 eoueijsiseH P INVHO5VIG c 9H 10988617 051 Main Motor C Circuit Diagram Illustration Resistance Between pins 1 and 2 2 40 Between pins 3 and 4 2 40 Main Motor B Between pins 1 and 2 2 40 Between pins 3 and 4 2 40 MT Resistration Motor Between pins 1 and 2 7 90 Between pins 3 and 4 7 90 c 9H 10988617 LEL Fuser Motor Circuit Diagram Illustration Resistance Between pins 1 and 2 7 90 Between pins 3 and 4 7 90 Feeder Motor Offset Motor Yellow 1 Orange 2 Black 3 40 Brown lt Between pins 1 and 2 7 90 or 8 40 Between pins 3 and 4 7 90 or 8 40 Between pins 1 and 2 230 Between pins 3 and 4 230 c 9H 110988817 105 Geared Motor Circuit Diagram Illustration Resistance
76. nt speed the stirring bar and the magnet on the stirring bar The stirring bar turns in synchronization with the protrusion of the stirring gear Stirring bar EN EN Stirring gear Link 7 A Detection A toner low condition is detected by measuring the contact time between the sensor lever magnet and the stirring bar Toner low sensor Sensor lever A Toner Full Condition i The stirring bar turns in synchronization with the D am stirring gear Sensor lever B Since the opposite side is in toner the stirring bar turns by the force of the stirring gear even when the stirring magnetis placedin its highest position i 1 Toner cartridge Stirring bar Toner low sensor Toner Low Condition The stirring bar reaches its highest position then Sensor lever falls to its lowest position under its own weight because of the absence of toner resistance on the opposite side In this situation bar magnet con mim tact time becomes long By measuring the time a toner low condition can be detected Eans r lever B d Toner cartridge Stirring bar a 41388601TH Rev 2 35 Toner Full Condition At warming up A4 transverse 16ppm 1
77. o determine correction values Then the misalignment in main scanning sub scanning and slanting directions is corrected These operations are performed at power on at cover close and every 400 pages LED head Transfer belt Belt running direction Color alignment sensors L and Cleaning blade Transfer Belt alignment sensor 5 Belt running direction LN Bottom View lor alignment sensor L Cleaning blade 41388601TH Rev 2 39 2 14 Version Read of Periodically Replaced Units The condition new or used of the fuser unit and belt unit are determined by an internal fuse within the units When the unit is powered on or the upper cover is opened and closed the printer scans for consumables fuses If a conducting fuse is found that unit s counter is reset and the fuse is opened The life counters of the consumables are checked at each power on and each closing of the upper cover Once a fuse is opened the consumable is judged used 2 15 Life Counter for Replaceable Units Each life of the periodically replaced units 1 0 fuse unit and belt unit is counted as shown in the following table Condition Action The number of drum revolutions is counted in the unit of letter Warning the unit can still be used paper length paper interval in continuous printing End of Life Time when a distance equivalent to pages of 26K is printed on 3P J Toner Cartridge
78. oller PWB see section 3 3 22 Unscrew the eleven screws 6 to detach the electrical chassis 7 Unscrew the two screws 8 to demount the electrical chassis cooling fan 9 41388601TH Rev 2 71 3 3 22 Printer engine controller PWB 1 Remove the rear cover see section 3 3 12 2 Remove the electrical chassis and the electrical cooling fan see section 3 3 21 3 Remove the five screws 1 and all the connectors to demount the printer engine controller PWB 2 41388601TH Rev 2 72 3 3 23 Printer unit chassis Unscrew the screw 1 and remove the AC switch Assy 2 1 Remove the four black screws 3 and six screws 4 to detach the printer unit chassis 5 2 73 41388601TH Rev 2 3 3 24 Entrance cassette sensor actuator 1 Remove the printer unit chassis see section 3 3 23 2 Turn over the main chassis 3 Removethe two clamps with tweezers to demount the entrance cassette sensor actuator 1 Main chassis 41388601TH Rev 2 74 3 3 25 Entrance sensor PWB 1 Remove the registration roller Assy B see section 3 3 16 2 Remove the two screws 1 to demount the entrance sensor PWB 2 41388601TH Rev 2 75 3 3 26 Entrance MT sensor actuator and Entrance belt sensor actuator 1 Remove the entrance sensor PWB R71 see section 3 3 25 2 Unlatch and detach the entrance MT sensor actuator 1 3 Unlatch and detach the entra
79. oltage power supply OP Amp High voltage power supply LED head 2 High Voltage Power Unit This circuit generates the following 34V or more voltages which are required for electropho tographic process according to control sequences from the control board Output Voltage 900 to 1400 50V Use for Remarks Voltage to charging roller Y M C 10 to 400V 300V Voltage to developing roller 10 to 400V 300V Y M C 100 to 700 0V Voltage to toner supplying roller 0 to 7KV Voltage to transfer roller Variable 41388601TH Rev 2 15 Mechanical Processes 2 4 Figure 2 4 shows the mechanical processes of the printer WNP 240 gt oded Y 105496 AUM gt 3 gt gt sade JojsueJ Buiuea uonoef3 LSI LW 7 1908 JOJSUeJ dnyoeg 481104 9195525 jedeg jodeg Buipeo sade b Josuas fel esodindniniy 2 18 joH Buidoje eq jddng 9 lt N lt Co px 031 Jejog
80. place the DUPLEX motor Yes Check gear engagement or replace the DUPLEX board V73 PWB 4 Yes Replace the DUPLEX unit 41388601TH Rev 2 112 3 Paper Size Error Is paper in the specified size used No Use paper that complies with the specification Yes Is the paper jammed at the entrance MT sensor or at the paper width sensor Yes Remove the jammed paper T Yes Does the lever of the entrance MT sensor operate normally No Replace the defective sensor lever Y Ves Does the entrance MT sensor work properly Operate the sensor lever and verify the signal on the FSENS connector pin on the engine board K73 PWB Pin 4 Entrance MT sensor No Check cable connection or replace the sensor board R71 PWB T Yes Does the lever of the entrance belt sensor operate normally No Replace the defective sensor lever T Yes Does the entrance belt sensor work properly Operate the sensor lever and confirm that the sensor works properly verify the signal on the FSENS connector pin on the engine board K73 PWB Pin 6 Entrance belt sensor No Check cable connection or replace the sensor board R71 PWB Yy Yes Do all the paper size detecting switches on the size detecting board B73 PWB work right Press the paper size detecting switches and verify the signal on the engine board PSIZE connector pins Pin 3 Paper size detector 1 Pin 4 Paper size detector 2 Pin 5 Paper size detector 3 Pin 6 Paper size detector 4 No Check cable
81. ponge presses paper against the surface of the OPC drum and brings the paper into intimate contact with the drum surface The paper is placed on the drum surface and positively opposite to the charge of the toner charged by the transfer roller on its back Applying positive high voltage from the power supply to the transfer roller moves the positive charge induced by the transfer roller to the paper surface at the contact portion between the transfer roller and the paper the paper surface drawing the negatively charged toner from the drum surface OPC drum Carrier belt Transfer roller Power unit 41388601TH Rev 2 19 6 Fusing When passed between the heat roller and the backup roller the toner image transferred to the paper is fused into place by the application of heat and pressure to it The Teflon coated heat roller is heated by the built in heat roller of 800W backup roller of 500W halogen lamp The fusing temperature is controlled by the sum of the temperature detected by the thermistor moving over the surface of the heat roller and the temperature detected by the thermistor moving over the surface of the backup roller A thermostat which is provided for safety becomes open by a heat roller temperature rise of not less than fixed degrees and cuts off voltage supply to the heater The backup roller is being pressed against the heater by the pressure springs on both sides Thermostat Thermistor Heat roller G
82. r Replace the Cover switch Check Fuser 320 Fuser Error No Fuser unit detected when turning on the printer or closing the cover 1 Is the error message displayed 2 Is the Fuser unit mounted properly 3 Does the error repeat Confirm the existence of the unit Re install the Fuser unit and turn off on the printer Replace the Fuser unit Assy Check Belt 330 Belt Error No Belt unit detected when turning on the printer or closing the cover 1 Is the error message displayed 2 Is the Belt unit mounted properly 3 Does the error repeat Confirm the existence of the unit Re install the Belt unit and turn off on the printer Replace the Belt unit Assy Check Drum 340 343 Drum Error No ID unit detected when turning on the printer or closing the cover 1 Is the error message displayed 2 Is the ID unit mounted properly 3 Does the error repeat Confirm the existence of the unit Re install the ID unit and turn off on the printer Replace the ID unit Assy 41388601TH Rev 2 103 Message Install New Drum 350 Y Drum Life 351 M Drum Life 352 C Drum Life 353 K Drum Life End of the ID unit life 26 000 or more copies printed Table 6 1 1 Operator Alarms 4 5 Error Description Is it displayed soon after the ID unit replacement Solutions Confirm the life of the ID unit Replace the ID unit Install Duplex Unit The
83. r Pin 5 on the engine board K73 PWB No Is 32V supplied to the POWER connector pins on the engine board K73 PWB 32V Pin 7 8 9 10 No Check cable connection or replace the low voltage power supply unit Yes Replace the engine board Y Yes Replace the fuser fan Y Yes End 41388601TH Rev 2 116 6 5 3 Image troubleshooting When the printout images are not satisfactory as shown below follow the troubleshooting procedures given in this section Printout problem Flowchart No Light or blurred images or images in inappropriate color tone Figure 6 2 A Dark background Figure 6 2 No images on print output Figure 6 2 C Band stripes in black or color in the longitudinal direction Figure 6 2 D Band stripes in white or irregular color in the longitudinal direction Figure 6 2 Poor fusing Images are blurred or peeled off when touched with a hand Cyclical printout defects Figure 6 2 Missing characters Color misalignment Printout colors different from the original SS B 69 6 2 6910 A Light or blurred Dark background Blank paper Black stripes in the images as a whole density vertical direction Cyclical defect D White belts or streaks in the vertical direction Figure 6 2 41388601TH Rev 2 117 D Light or blurred ima
84. r verify the signal on the PARTTEMP connector Pin 8 on the engine board K73 PWB Pin 8 Ejection sensor No Check the signal cable connection or replace the ejection sensor T Yes Replace the engine board T No Dose the heat motor rotate properly No 15 the resistance of the heat motor at the rated value approx 7 9 Q No Replace the heat motor Y Yes Is 32V supplied to the POWER connector Pins 7 10 on the engine board No Replace the low voltage power supply unit 2 Yes Check the connection of the cables or replace the engine board T Yes Does the paper separator operate normally No Does the paper separator solenoid work normally No Check the cable connection or replace the solenoid or the engine board Yes Replace the paper separator assy 4 Yes Replace the eject guide assy 41388601TH Rev 2 111 2 5 DUPLEX jam Does the paper jam occur immediately after the printer is turned on Yes Is the paper jammed at the in sensor rear sensor or front sensor in the DUPLEX unit Yes Remove the jammed paper Y No the in sensor rear sensor and front sensor in the DUPLEX unit operate properly No Replace the defective sensor T Yes Check the cable connections at the in sensor rear sensor and front sensor of the DUPLEX unit or replace the DUPLEX unit board V73 PWB T No Does the paper jam occur immediately after paper is fed into the DUPLEX unit Yes Is the DUPLEX motor rotating No Re
85. re 8 5 153 41388601TH Rev 2 Duplex Unit Parts No Table 8 5 Recommended Q ty Year Remarks 41178201 Duplex Assy 41178203 Duplex Assy 41178207 Duplex Assy 4PB4043 4718P001 Screw SP3x10 4PB4083 2500P008 Screw T3x8 4PB4013 3100P006 Screw M3x6 41388601TH Rev 2 154 Figure 8 6 1 2 1557 41388601TH Rev 2 These parts are not attached to the lowest tray Figure 8 6 2 2 41388601TH Rev 2 156 High Capacity Tray Unit 2nd 3rd Tray Unit Parts No Recommended Q ty Year Remarks 41481301 Guide R Assy 41481701 Roller Feed 41488401 Roller Feed A3 41529101 Motor Hopping 41515701 Board A73 41503001 Clutch Guide Assy 2 pin 41502601 Rubber Foot OJN 2201000 140 Connector 4PB4013 3101P006 Screw T4x6 4PB4013 3101P008 Screw T4x8 4PB4013 3100P008 Screw M3x8 4PB4083 2500P010 Screw T3x10 PSW2W3 10C Screw PSW2W3 16C Screw PSW2W3 20C Screw 41488301 41547805 41503601 41503801 41463003 41515801 41503701 41481201 Clutch Guide Assy 3 pin Cassette Assy Cover Side L Cover Rear Board V73 Paper Size sensor Cover Side R Sub
86. re status of this printer is indicated on the LCD liquid crystal display of the Operator panel Take the proper corrective action according to the message displayed on the LCD 6 5 Troubleshooting Flow If a problem should develop in this printer troubleshoot in the following procedure Problem Problem that results Troubleshoot based on the Perform troubleshooting in LCD message gt LED message list with the troubleshooting indication See 6 5 1 flow chart See 6 5 2 Mere Perform troubleshooting and a problem that with the troubleshooting does not result in LCD flow chart See 6 5 3 message indication 41388601TH Rev 2 100 6 5 1 LCD Message List The printer indicates a Service Call Error message on the LCD as shown below detecting an unrecoverable error Service Call nnn Error Note nnn is an error code Whenthe Service Call message is displayed the error information corresponding to the error code appears on the lower line of the LCD The meaning and solutions of each error code are listed in the Table 6 1 1 Table 6 1 1 Operator Alarms 1 5 Message Service Call 001 Error 011 Error CPU Exception Error Description Is the error message displayed again Is the error message displayed again Solutions Turn the printer off on Replace the CRM board The EEPROM needs replacement Service Call
87. s elapsed after the front edge of the paper passes through the duplex in sensor the rollers reverse and the roller 1 turns in the direction of the arrow b to feed the paper into the duplex unit After that the paper passes through the rollers 2 3 and 4 and ejected with the other side printed and fed again into the printer Separator Solenoid Duplex in sensor Roller 1 Roller 2 Roller 3 Roller 4 Motor Figure 2 12 41388601TH Rev 2 29 2 5 Sensor 2 5 1 Paper related sensors Face down paper eject sensor gt Paper eject roller Face down sensor QA Stacker full sensor Entrance belt sensor S C drum M drum Y drum K drum Qs Heat roller MT feed roller Paper eject sensor Driving roller Pinch roller 2 A Driving roller Pinch roller 1 1 Carrier belt Registration roller Belt cleaning blade Registration roller 5 Duplex front sensor Entrance MT sensor Entrance cassette sensor Duplex in sensor 1st feed roller Auxiliary roller Duplex rear sensor 2nd feed roller Duplex feed roller Carrier sensor Duplex roller Sensor Function Sensor status Entrance MT Sensor Detects the beginning of incoming paper to determine the timing for ON Paper exists Entrance Cassette sensor switching from hopping to carriage OFF Paper is empty Entrance Belt sensor Detects the beginning of transferred paper and based on the time taken ON Paper exi
88. s whether the paper cassette is empty Paper Near sensor This sensor checks whether the paper cassette is near empty MPF Paper Empty sensor This sensor checks whether the front feeder has paper MPF Hopping switch This microswitch checks whether the front feeder table is in the up position or in the down position Stacker Full sensor This sensor checks whether the stacker is full Paper Size switch This sensor detects the size of paper in the paper cassette EP Up Down sensor one for each of colors Y M C and K This sensor checks whether the I D unit is in the up position or in the down position Toner K Y M and C sensors By measuring the time interval between regular opening movements of each sensor s lever the sensor checks whether its toner cartridge is empty Temperature sensor See Section 2 6 Transfer Control Responds to Environmental Changes Humidity sensor See Section 2 6 Transfer Control Responds to Environmental Changes OHP sensor This sensor detects the presence or the absence of transparencies Alignment sensor When color misalignment has been corrected this sensor reads the alignment pattern printed at the right and left ends of the transfer belt see Section 2 13 41388601TH Rev 2 31 2 6 Color Misalignment Correction C9000 is equipped with multiple LED heads which can result in color misalignment The mechanically induced color misalignment is automatically corrected as follows 1
89. sor PWB 3 3 25 41491001 Color Registration Sensor Assy 3 3 19 41073601 Exit Sensor Assy 3 3 28 41483701 Main Motor FAN Assy 3 3 27 40861001 x 8 Top Cover M 41484402 Top cover 3 3 1 40866212 Control panel Bezel 3 3 4 41493002 Multipurpose Tray Assy 3 3 13 41484902 Cassette Assy 3 3 7 41277902 Cover Blind 3 3 7 41481701 Feed Roller 3 3 8 40863801 Plate Side 3 3 21 41045802 x 2 Link 3 3 13 41486202 MT Tray Cover Assy 3 3 13 41278002 MT Top Cover 3 3 13 40325101 MT Drive Gear 3 3 13 LED Assy Spring 3 3 2 41257902 LED Control PWB Y71 3 3 4 41349801 Stack Full Sensor 3 3 4 41349301 x 4 Eject Roller 3 3 4 41484501 Control Panel Assy 3 3 4 2381005P0015 Control Panel Tape Harness 3 3 4 H 41514101 LED Harness K 41514102 LED Harness Y H 41514103 LED Harness M 41514104 LED Harness C 41328402 Top Cover Handle 3 3 5 41277602 Top Cover Latch 3 3 5 40861401 x 2 Top Cover Latch Spring 3 3 5 L 41484701 Eject Guide Assy 3 3 6 41388601TH Rev 2 50 3 3 1 Top cover 1 Open the top cover Assy 2 Remove the nine screws 1 to detach the top cover 2 41388601TH Rev 2 51 3 3 2 LED Assy LED Assy spring 1 Open the top 1 2 Remove the three cables and unhook the LED Assy 2 at the two places to demount it The two springs 3 b
90. splayed on the LCD for about 1 second 7 Yes Y Yes Y Yes Y No Y No Is the AC cable connected correctly No Connect the AC cable correctly Is 5 supplied to the PANEL connector pins on the PU board K73 PWB 45V Pin 5 OV Pin 2 Yes 1 the operator panel cable connected correctly No Connect the cable correctly Yes Replace the operator panel cable Recovered No Replace the cover assembly of the operator panel v Yes End Is 5 supplied on the POWER connector of the engine board K73 PWB Pin 11 12 13 14 5 Pin 3 4 5 6 23 24 25 26 27 28 29 30 No Check the connection of the POWER connector or replace the low voltage power supply unit Replace the engine board Are the following voltages supplied to the PU connector of the main board Pin 137 147 187 197 5 Pin 125 136 175 186 3 3V Pin 148 198 12 Pin 101 124 149 174 199 200 0V Yes Is the main board assy inserted correctly No Insert it correctly Yes Replace the main board Are the following voltages supplied on the POWER connector of the engine board Pin 11 12 13 14 5V Pin 15 16 17 18 3 3V Pin 1 12 2 12 Pin 7 8 9 10 32V Pin 3 4 5 6 25 26 27 28 0V Yes Replace the engine board Replace the low voltage power supply unit 41388601TH Rev 2 107 2 1 Paper Input Jam 1st Tray Does the jam occur soon after the printer is turned on Yes
91. stment of Setting COLOR printing on Transparency when unclear characters or spots are often found on the print result With dispersed or snowed printing in the part at high density decrease the value With unclear printing increase the value 41388601TH Rev 2 92 4 2 4 3 Short Plug Settings The CRM board has five short plugs that can be set as follows Short Plug WE1 3 5 and 7 Sets flash ROM DIMM to connect WE signals 1 2 Short Disconnects WE signals 2 3 Short Connects WE signals Thefactory shipped short plug is setto the 2 3 short Re programmable the Flash ROM DIMM Short Plug DIMM2 Sets the banks of ROM DIMM Slot B 1 2 Short For 1 Bank DIMM 2 3 Short For 2 Bank DIMM 1 bank DIMM dual sided 1 bank is only a prototype and does not exist in production run printers Printing Singly Using Controller Equipped Printer Menu Map Printing Prints the program versions controller block and other printer configuration and settings Operation Press of Switch Without HDD 0 gt 3 3 With HDD 0 gt 0 gt 3 gt 3 File List Printing Prints a list of files stored on a HDD or in ROM Operation Press of Switch Without HDD 0 gt 3 gt 1 gt 3 With HDD 0 gt 0 gt 3 6 1 gt Font List Printing PCL Prints a list of PCL fonts Operation Press of Switch Without HDD 0 2 3 2
92. sts until the paper front edge reaches the sensor determines the paper length OFF Paper is empty Paper Eject sensor Detects the beginning and end of paper to determine the paper ejection ON Paper exists timing OFF Paper is empty Duplex In sensor Detects the beginning of paper which enters into the duplex unit to ON Paper exists determine the time taken until the reversed rollers turn in forward direction OFF Paper is empty Duplex Rear sensor Detects the beginning of paper after the turns in reverse direction inthe _ ON Paper exists duplex unit OFF Paper is empty Duplex Front sensor Detects the end of paper after the turns in reverse direction to determine ON Paper exists the paper ejection timing in the duplex unit OFF Paper is empty Stacker Full sensor Detects the face down stacker full of paper ON Stacker is full OFF Stacker is empty Face Down Paper Eject Detects paper carriage to the paper eject roller to determine the timing for ON Stacker is full sensor job offset operation OFF Stacker is empty Face Down Route sensor Detects the face down carrier route jammed with paper when it has a ON Stacker is full paper jam OFF Stacker is empty Carrier sensor Detects paper carriage from the option tray ON Stacker is full OFF Stacker is empty 41388601TH Rev 2 30 2 5 2 Other sensors Paper Empty sensor This sensor check
93. t the LED head to the junction board correctly y Yes Is 3 8V supplied to the following HEADPOW connector pins of the junction board Y71 PWB 3 8V Pin 1 2 3 4 5 6 7 8 Yes Is 3 3V supplied to each LED head assembly from the junction board Y71 PWB YPOW connector Pin 3 LED head assembly yellow MPOW connector Pin 3 LED head assembly magenta CPOW connector Pin 3 LED head assembly cyan BPOW connector Pin 3 LED head assembly black No Replace the junction board Y73 PWB 7 Yes cable connection or replace the LED head assembly T No Check the cable connection or replace the low voltage power supply unit Recovered Yes End Y wo Is 32 supplied to the POWER connector of the engine board K73 PWB 32V Pin 7 8 9 10 No Check the cable connection or replace the low voltage power supply unit T Yes Is 32 supplied to the HVOLT connector pin 5 of the engine board K73 PWB No Replace the engine board T Yes Check the cable connection replace the high voltage power supply unit or belt cassette assembly Recovered Yes End T No Is each ID terminal connected to the contact assembly correctly See Figure 6 3 No Connect the ID terminals with the contact assembly correctly Yes Replace the ID unit Notes 1 When replacing the engine board K73 PWB demount the EEPROM chip from the old engine board and remount it on the new one 2 In case the EEPROM chip is not replaced see Item
94. ted appropriately when a printer is shipped from the plant However it may be out of the appropriate balance during use In such a case color balance should be modified Note Density of each color depends on each other Therefore adjustment must be repeated several times to reach the correct color balance Set letter paper in the tray specified on the operator panel 1 2 Press 0 several times to display COLOR MENU 3 Press 1 or 5 to display COLOR BALANCE CORRECTION PATTERN PRINT 4 Press 3 to start test printing 5 Press 1 to display COLOR BALANCE CORRECTION RESET 6 Choose the number of the color closest to the part on the test pattern If the selected color is 00 the color balance is correct and no adjustment is required If it is not 00 the color balance should be adjusted in the procedures below Press 2 6 several times to display the value selected Step 6 Press 8 to start test printing c Repeat the steps 6 8 to approximate the color at the part on the test pattern to 00 as much as possible 10 Press 4 to display ON LINE 41388601TH Rev 2 95 4 6 EEPROM Replacement after CRM Board and K73 Board Replacement When replacing the CRM Board or K73 Board the EEPROM must be removed and re mounted on the new board to deliver the user setting and font installation information to the new board If the EEPROM used
95. the FSENS connector pin on the engine board K73 PWB Pin 6 Entrance belt sensor No Check the connection of the cable or replace the sensor board R71 PWB Y Yes Checkthe signal cable connection Is it attached properly No Connect the cable properly 7 Yes Replace the engine board Y No Does the paper jam occur immediately after paper is fed Yes Does the paper reach the write sensor Yes Goto A Y No Is the registration motor rotating No sthe resistance of the registration motor at the rated value approx 7 9 Q No Replace the registration motor Yes Checkthe gear engagement or replace the engine board Y Yes Replace the resistration roller A or B T No Does the paper jam occur when paper is loaded Yes Doesthe belt motor rotate properly No sthe resistance of the belt motor at the rated value approx 7 9 Q No Replace the belt motor Yes Check gear engagement or replace the engine board Yes Check gear engagement or replace the belt assy 4 41388601 2 110 2 4 Paper Eject Jam Does the paper jam occur immediately after the printer is powered on Yes Is the paper jammed at the ejection sensor Yes Remove the jammed paper T No Does the lever of the ejection sensor operate normally No Replace the ejection sensor lever T Yes Does the ejection sensor work properly Operate the sensor lever and confirm that the sensor works properly o
96. the Paper eject switch work normally Remove the jammed paper Replace the Fuser unit Open Stacker Cover 383 Paper Jam Paper jam detected on paper entering the Duplex unit 1 Is a paper jammed at the entrance of the Duplex unit or in the unit Remove the jammed paper and close Check the Duplex unit or replace it Check MP Tray Paper jam during paper feed from the MP Tray 1 Does misfeed occur around the MP Tray Remove the misfed paper and close the cover Check the MP Tray or replace it Paper jam detected btwn a cassette and the B ID 1 Is a paper jammed around the cassette or between the B ID and cassette 2 Does the Paper entry switch operate normal Remove the jammed paper Replace the Paper entry switch Open Stacker Cover 400 Paper Size Error Paper in a size different 45 mm or more from the specification detected at the Printer engine 1 Is the paper a custom size 2 Is the paper in the standard size No action required Adjust the Paper size guide of the cassette Replace the Paper size board B73 PWB Toner Low 410 Yellow 411 Magenta 412 Cyan 413 Black Toner in one of the four colors is running short 1 Is the specified toner cartridge almost empty 2 Does the Toner sensor of the specified cartridge operate normally Replace it with a new toner kit Replace the Toner sensor for the specified color Remove
97. ts 56 3 3 7 Cassette Assy Blind cover Side cover R Assy 57 3 9 8 Eeeditollers bt e E ele t e d a dh 58 3 9 9 Left side COVEN 5 eb e em meten etes 59 3 9 10 Face up tray 60 3 91 T ErOnt COVOL dE Pe eb ede tote 61 3 312 REAM coVer epe e ee ERES ERAS DERE E e ee een cere 62 3 3 13 Multipurpose tray Assy Multipurpose tray cover Assy Links Multipurpose tray top cover Multipurpose tray drive 63 3 3 14 Drum contact eee nennen nnnm 64 3 3 15 Registration roller Assy A Registration drive gear 65 41388601TH Rev 2 41 8 3 3 16 Registration roller Assy emn 66 3 3 17 Registration clutch Registration motor 5 67 3 9418 Cooling fan x eerte Ra dieux al rd eie Rena 68 3 3 19 Color registration sensor 69 3 3 20 Duplex guide Assy 70 3 3 21 Electrical chassis Electrical chassis cooling 71 3 3 22 Printer engine controller PWB enne nnns 72 3 3 23 Printer nit chassis cde eer ee Pe o L R ka k 73 3 3 24 Entrance cassette sensor
98. y Tray 5 Internal Hard Disk 6 Ethernet Board 41388601TH Rev 2 8 1 4 Specifications 1 Dimensions Height 18 11 in Width 26 22 in Length 24 65 in 2 Weight 158 7 105 3 Paper Type Ordinary paper and transparencies Recommended ML OHP01 Size Postal card Legal 13 or 14 Executive A4 A5 B5 A6 A3 Nobi B4 Only the 1st tray and the front feeder support A6 and postal card sizes Weight 1st tray 55 kg to 90 kg 64 to 105g m Front feeder 55 kg to 140 kg 64 to 163g m 4 Print Speed Color 21 pages per minute Transparency 5 pages per minute Monochrome 26 pages per minute Transparency 15 pages per minute Postal Card Label Thick Paper 10 pages per minute 5 Resolution 600 x 600 DPI 600 x 1200 DPI C9200 series amp 1200 x 1200 DPI C9400 series 6 Power Input 100VAC 10 7 Power Consumption Peak 1400W Normal Operation 550W 5 duty Idle 150W Power Saving Mode 50W 8 Frequency 50Hz or 60Hz 2 9 Noise Operating 54 dB without Second tray Standby 45 dB Power Saving 43 dB 10 Consumable Life Toner Cartridge 15 000 pages 5 duty in each of Y M C and K Image Drum 39 000 pages 596 duty Continuous printing in each of Y M C and K 11 Parts Replaced Periodically Fuser Unit Assy Every 80 000 pages Belt Cassette Assy Equivalent of 80 000 pages 3P J Transfer Belt cartridge 60 000 prints 41388601TH Rev 2 9 12 Temperatures and Re

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