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Oki C9200 Service Manual Download Page 16

41388601TH  Rev.2 

16 /

2.4

Mechanical Processes

Figure 2.4 shows the mechanical processes of the printer.

Figure 2.4

P

aper Eject Roller

Paper Ejection

(Face down)

P

ow

er Supply

Charging Roller

Cleaning Blade

P

aper P

ath

Selection

Heat Roller

Ejection

Roller

Fusing

Bac

kup Roller

Control Signals

LED Head

De

veloping Roller

P

ow

er Supply

Toner Car

tr

idge

Tr

ansf

er Roller

Registr

ation

Roller 1

P

aper loading

Hopping Roller

Po

w

er

Supply

Registr

ation

Roller 2

Paper Ejection

Fusing

Cleaning

Tr

ansf

er

P

aper carr

iage

P

aper adv

ance

P

aper tr

av

eling

OPC dr

um re

volution

Transfer

Charging

Expose

De

velopment

Cleaning

P

aper Eject Sensor

P

aper F

eed Sensor 1

Paper Ejection

(Face up)

P

aper F

eed Sensor 2

Multipurpose

Tray

P

aper Cassette

P

aper

registr

ation

P

aper

registr

ation

(MT, 1ST, 2ND)

Wr

ite Sensor

x 4

K 

YM

C

Summary of Contents for C9200

Page 1: ...41388601TH Rev 2A 1 157 C9000 Series Color LED Page Printer Service Manual ODA 05 18 200 Based on Rev 2...

Page 2: ...H Rev 2A 2 1 2000 12 05 ISSUE EM3 Murakami 2 2000 12 13 8 Correction of errors in K Yamazaki the parts list Rev No Date No Corrected items Page Description of change Person in charge Document Revision...

Page 3: ...tents 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...

Page 4: ...Color Misalignment Detection 39 2 14 Version Read of Periodically Replaced Units 40 2 15 Life Counter for Replaceable Units 40 2 16 Toner Consumption Detection 40 3 PARTS REPLACEMENT 41 3 1 Precaution...

Page 5: ...er supply 85 3 3 36 Main feed Assy 86 3 3 37 Fuser unit 87 3 3 38 Belt unit 88 3 3 39 Duplex unit 89 3 3 40 CU Assy 90 4 Adjustment 92 4 1 Maintenance Menu and Its Functions 92 4 2 Short Plug Settings...

Page 6: ...user temperature detection Ambient temperature and humidity detection Toner remaining detection Color registration sensor ID belt and fuser checks C ID Unit M ID Unit Y ID Unit K ID Unit C ID M Heater...

Page 7: ...ons The inside of the printer is composed of the followings Electrophotographic Processor Paper Paths Controller Block CU and PU Operator Panel Power Units High Voltage Unit and Low Voltage Unit Figur...

Page 8: ...H Rev 2 8 1 3 Option Configuration The followings are available as options on C9000 1 2nd Tray 3rd Tray 2 Duplex Unit 3 Large Capacity Tray 4 Expansion Memory 64 128 256MB 5 Internal Hard Disk 6 Ether...

Page 9: ...per minute Transparency 15 pages per minute Postal Card Label Thick Paper 10 pages per minute 5 Resolution 600 600 DPI 600 x 1200 DPI C9200 series 1200 x 1200 DPI C9400 series 6 Power Input 100VAC 10...

Page 10: ...rt 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 Relative Humidity Max Wet Bulb Temperature C Remark Operating 20 to 80 25...

Page 11: ...ing Clutch V73 Board Paper End Paper Near End Cover Opem SW Carrier Sensor Paper Width Sensing Board T9 Blue T3 White T4 Red T5 Red T8 Red T2 Blue T6 Yellow Lifter Sensor Loading Sensor Retard Sensor...

Page 12: ...al Resonator CY2292 CY2308 FET SW 162212 FLASH ROM FLASH DIMM 3 SDRAM DIMM 4 IMI1530 Fluctuation Circuit Internal CLK Setting Resistance Reset DS1834 to C2 and 3 3V ICs to 5V ICs PU Board Connector 20...

Page 13: ...ored 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...

Page 14: ...I F Y Head I F M Head I F C Head I F Motor Driver Motor Driver DC Motor Driver DC Motor Geared Motor 9x Pulse Motors LSI VIDEO MEM Containing 4Mbit DRAM High Voltage Power Supply Serial Interface 2 c...

Page 15: ...required for electropho tographic process according to control sequences from the control board 2 3 Power Units There is a low voltage power unit which consists of an AC filter circuit low voltage po...

Page 16: ...ead Developing Roller Power Supply Toner Cartridge Transfer Roller Registration Roller 1 Paper loading Hopping Roller Power Supply Registration Roller 2 Paper Ejection Fusing Cleaning Transfer Paper c...

Page 17: ...he light and based on the surface potentials a latent electrostatic image is formed on the drum surface 3 Development Negatively charged toner contacts the OPC drum and by electrostatic force adheres...

Page 18: ...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 2 Charging Negative DC voltage i...

Page 19: ...adhere to the developing roller The toner becomes negatively charged Charging roller Developing blade Developing roller OPC drum Sponge roller Developing roller 5 Transferring The transfer roller whic...

Page 20: ...ation 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 t...

Page 21: ...ler Backup roller High voltage power supply Heat roller Eject roller Eject roller Low voltage power supply 4 x LED heads 4 x LED Units Feed roller Hopping roller Cassette 1 Cassette 2 Cassette 3 Casse...

Page 22: ...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 c...

Page 23: ...e 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 th...

Page 24: ...er 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...

Page 25: ...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...

Page 26: ...e 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...

Page 27: ...41388601TH Rev 2 27 Plate Pin Spring Up and down Sensor Board Figure 2 10 c Figure 2 10 d Figure 2 10 e...

Page 28: ...ow 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 p...

Page 29: ...1 turns in the direction of the arrow a the paper is retracted on the rear of the cassette 2 When fixed time has elapsed after the front edge of the paper passes through the duplex in sensor the roll...

Page 30: ...d based on the time taken until the paper front edge reaches the sensor determines the paper length Detects the beginning and end of paper to determine the paper ejection timing Detects the beginning...

Page 31: ...tte 7 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 8 Toner K Y M and C sensors By measuring the time inter...

Page 32: ...ED 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 it...

Page 33: ...ensing the beginning of it The paper eject sensor does not turn off after it turns on The paper eject sensor does not turn on while paper is running on the belt Paper does not reach the entrance belt...

Page 34: ...than 32V At the same time the CPU receives CVOPN signals indicating the status of the microswitch and performs cover open operations Top cover microswitch Front cover microswitch Duplex unit Duplex 16...

Page 35: ...n when thestirringmagnetisplacedinitshighestposition Toner Low Condition The stirring bar reaches its highest position then falls to its lowest position under its own weight because of the absence of...

Page 36: ...ts at 5 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...

Page 37: ...tion of the tab pieces and the paper size is recognized Without Cassette A3 Nobi Tabloid A3 B4 Regal 14 Regal 13 A4 in Portrait Orientation Letter in Portrait Orientation Executive B5 in Portrait Orie...

Page 38: ...pecification 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 S...

Page 39: ...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...

Page 40: ...be used 2 14 Version Read of Periodically Replaced Units The condition new or used of the I D fuser unit and belt unit are determined by an internal fuse within the units When the unit is powered on o...

Page 41: ...llowing procedure 1 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 2 Do not disassemble th...

Page 42: ...ewdriver Magnetized No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner P N 4PB4083 2248P001 1 1 1 1 1 1 1 2 2 5 mm screws 3 5 mm screws Cleans LED head...

Page 43: ...41388601TH Rev 2 43 3 2 Parts Layout Figure 3 1...

Page 44: ...41388601TH Rev 2 44 Figure 3 2 Top Cover Assy...

Page 45: ...41388601TH Rev 2 45 Figure 3 3 Printer Unit 1 2...

Page 46: ...41388601TH Rev 2 46 Figure 3 4 Printer Unit 2 2...

Page 47: ...41388601TH Rev 2 47 Figure 3 5 Cassette Guide Assy L R...

Page 48: ...41388601TH Rev 2 48...

Page 49: ...41388601TH Rev 2 49 A B C D E A B C D E Figure 3 6 Duplex Unit...

Page 50: ...4 41578501 Entrance Sensor Actuator 2 3 3 26 40841801 Entrance Sensor Actuator 3 3 3 26 41621801 Registration Shutter Solenoid Assy 41488801 Registration Shutter 41589401 Registration Shutter Spring 4...

Page 51: ...41388601TH Rev 2 51 2 1 1 1 3 3 1 Top cover 1 Open the top cover Assy 2 Remove the nine screws 1 to detach the top cover 2...

Page 52: ...top cove 1 2 Remove the three cables and unhook the LED Assy 2 at the two places to demount it The two springs 3 become detached together with the LED Assy 2 3 Detach the LED connector 4 When assembl...

Page 53: ...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 2 to remove the limiters F 3 and...

Page 54: ...1 Detach the control panel bezel 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 cont...

Page 55: ...3 1 1 2 4 4 3 3 5 Top 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 latch spring...

Page 56: ...41388601TH Rev 2 56 1 1 1 1 2 3 3 6 Eject guide Assy 1 Remove the seven screws 1 to detach the eject guide Assy 2...

Page 57: ...Blind cover Side cover R Assy 1 Detach the cassette Assy 1 2 Disengage the blind cover 2 at the two places to detach it 3 Unscrew the two screws to remove the stopper 4 4 Disengage the claw on the lef...

Page 58: ...41388601TH Rev 2 58 1 1 1 3 3 8 Feed rollers 1 Remove the cassette 2 Unlatch and demount the feed rollers 1...

Page 59: ...41388601TH Rev 2 59 1 1 2 3 3 9 Left side cover 1 Remove the four screws 1 to detach the left side cover 2...

Page 60: ...41388601TH Rev 2 60 1 2 2 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...

Page 61: ...41388601TH Rev 2 61 4 4 2 3 4 4 4 1 3 3 11 Front cover 1 Open the top cover 1 2 Disengage the claws and remove the blind cover 2 3 Unscrew the six screws 4 to detach the front cover 3...

Page 62: ...41388601TH Rev 2 62 1 2 4 3 3 3 3 12 Rear cover 1 Open the top cover 1 2 Remove the five screws 3 and 4 to detach the rear cover 2...

Page 63: ...emove the rear cover see section 3 3 12 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 c...

Page 64: ...41388601TH Rev 2 64 1 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...

Page 65: ...rive gear A 1 Remove the front cover see section 3 3 11 2 Remove the rear cover see section 3 3 12 3 Remove the multipurpose tray see section 3 3 13 4 Unscrew the four screws 1 to demount the registra...

Page 66: ...cover see section 3 3 11 3 Remove the rear cover see section 3 3 12 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...

Page 67: ...motor Assy 1 Remove the left side cover see section 3 3 9 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 R...

Page 68: ...41388601TH Rev 2 68 1 3 2 air direction 3 3 18 Cooling fan 1 Unhook the connector 1 and remove the screws 2 and the cooling fan 3...

Page 69: ...41388601TH Rev 2 69 1 1 3 4 1 2 2 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...

Page 70: ...41388601TH Rev 2 70 1 Main chassis L side 2 2 3 3 20 Duplex guide Assy 1 Unlatch and demount the duplex guide Assy 1 2 Remove the springs 2...

Page 71: ...rew the five screws 1 and two screws 2 to remove the plate A 3 2 Unscrew the thirty one screws 4 to remove the shield plate B 5 3 Remove the printer engine controller PWB see section 3 3 22 4 Unscrew...

Page 72: ...ngine 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 d...

Page 73: ...1TH Rev 2 73 4 4 4 3 3 4 3 4 5 1 2 3 3 3 3 23 Printer unit chassis 1 Unscrew the screw 1 and remove the AC switch Assy 2 2 Remove the four black screws 3 and six screws 4 to detach the printer unit ch...

Page 74: ...ain chassis 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 Remove the two clamps with tweezers to demount the entrance cas...

Page 75: ...41388601TH Rev 2 75 1 2 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...

Page 76: ...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 th...

Page 77: ...crew the two screws 1 to remove the fan Assy 2 2 Unscrew the fuser eject roller contact 4 3 Remove the fuser drive gear 5 4 Unscrew the fuser drive gear Assy 8 5 Remove the screws and washers 0 to dem...

Page 78: ...41388601TH Rev 2 78 1 2 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...

Page 79: ...41388601TH Rev 2 79 3 1 2 3 3 29 Fuser latching handle L 1 Remove the latching handle spring 1 2 Unscrew the fuser latching handle L 3...

Page 80: ...41388601TH Rev 2 80 2 3 1 1 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 2 3 Demount the belt motor Assy 3...

Page 81: ...TH Rev 2 81 3 1 2 3 3 31 Fuser latching handle R 1 Remove the printer unit chassis see section 3 3 23 2 Remove the E ring 1 3 Remove the fuser latching handle spring 2 to detach the fuser latching han...

Page 82: ...41388601TH Rev 2 82 1 2 1 3 3 32 Main motor Assy 1 Remove the belt motor Assy see section 3 3 30 2 Remove all the connectors 3 Remove the two screws 1 to demount the main motor Assy 2...

Page 83: ...83 4 2 1 3 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 th...

Page 84: ...2 84 1 3 8 A 2 7 6 5 0 9 0 0 2 2 B 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 2 to demount the low voltage...

Page 85: ...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 supp...

Page 86: ...high voltage power supply see sections 3 3 34 and 3 3 35 3 Unscrew the five screws 1 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 de...

Page 87: ...41388601TH Rev 2 87 3 2 3 3 37 Fuser unit 1 Open the top cover 1 2 Push the right and left fuser levers blue 2 in the arrow direction to detach the fuser unit 3...

Page 88: ...41388601TH Rev 2 88 1 2 3 3 3 38 Belt unit 1 Open the top cover 1 2 Remove the I D unit 3 Push the lever blue 2 in the arrow direction raise the handle blue and detach the belt unit 3...

Page 89: ...601TH Rev 2 89 1 3 2 5 4 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 f...

Page 90: ...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 1 Remove the connector 3 2 Remove the t...

Page 91: ...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 A to detach the guide rail B 4 R...

Page 92: ...ine adjustment of 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...

Page 93: ...r block and other printer configuration and settings Operation Press of Switch Without HDD 0 3 3 With HDD 0 0 3 3 File List Printing Prints a list of files stored on a HDD or in ROM Operation Press of...

Page 94: ...stration are always required for each part replacement Note When the EEPROM of the PU K73 Board is replaced to a new one color balance must be adjusted Replaced Part LED Head Drum Cartridge Y M C K Fu...

Page 95: ...Press 1 1 1 1 1 or 5 5 5 5 5 to display COLOR BALANCE CORRECTION PATTERN PRINT 4 Press 3 3 3 3 3 to start test printing 5 Press 1 1 1 1 1 to display COLOR BALANCE CORRECTION RESET 6 Choose the number...

Page 96: ...41388601TH Rev 2 96...

Page 97: ...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 by th...

Page 98: ...t after Replacement Replace the Toner cartridge Reset the drum counter after drum replacement Reset the fuser counter Reset the belt counter The above consumables replacement may be performed by a use...

Page 99: ...e 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 dr...

Page 100: ...layed on the LCD 6 5 Troubleshooting Flow If a problem should develop in this printer troubleshoot in the following procedure Problem Problem that results in LCD message indication Image problem and a...

Page 101: ...Error Is the concerned RAM DIMM installed properly Can the printer recover from the error by replacing the RAM DIMM No Yes No Re install the concerned RAM DIMM Replace the RAM DIMM Replace the CRM bo...

Page 102: ...all 073 Error 075 Error Service Call 120 Error 122 Error Video Overrun Detect Is the CU Assy installed properly Can the printer recover from the error by replacing the CRM board No Yes Install the CU...

Page 103: ...s the error repeat Yes Yes 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...

Page 104: ...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 the Paper eject switch work normally Yes No Remove the jammed paper Replace the...

Page 105: ...unit replacement Yes No 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 D...

Page 106: ...ge No Problem Flowchart Number 1 The printer does not work normally after being turned on 1 2 JAM Error Paper Input Jam 1st Tray 2 1 Paper Input Jam MT 2 2 Paper Feed Jam 2 3 Paper Eject Jam 2 4 DUPLE...

Page 107: ...e POWER connector of the engine board K73 PWB Pin 11 12 13 14 5V Pin 3 4 5 6 23 24 25 26 27 28 29 30 0V No Check the connection of the POWER connector or replace the low voltage power supply unit Yes...

Page 108: ...rance 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 No Doe...

Page 109: ...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 Yes Check the signal cable co...

Page 110: ...le connection Is it attached properly No Connect the cable properly Yes Replace the engine board No Does the paper jam occur immediately after paper is fed Yes Does the paper reach the write sensor Ye...

Page 111: ...8 Ejection sensor No Check the signal cable connection or replace the ejection sensor Yes Replace the engine board No Dose the heat motor rotate properly No Is the resistance of the heat motor at the...

Page 112: ...nd front sensor in the DUPLEX unit operate properly No Replace the defective sensor Yes Check the cable connections at the in sensor rear sensor and front sensor of the DUPLEX unit or replace the DUPL...

Page 113: ...the entrance belt sensor operate normally No Replace the defective sensor lever Yes Does the entrance belt sensor work properly Operate the sensor lever and confirm that the sensor works properly veri...

Page 114: ...r unit Yes Check cable connection or replace the engine board Yes Does the IDU sensor lever work adequately No Check gear engagement and the sensor lever operation or replace the defective gear or sen...

Page 115: ...e 6 1 at room temperature 0 C 43 C approx 190 980 Yes Replace the fuser unit No No Does the fuser error occur about 3 min after the printer is turned on No Go to Yes Is the fuser s heater on Does it g...

Page 116: ...d 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 boar...

Page 117: ...2 F 5 Poor fusing Images are blurred or peeled off when touched with a hand 6 Cyclical printout defects Figure 6 2 E 7 Missing characters 8 Color misalignment 9 Printout colors different from the ori...

Page 118: ...magenta CPOW connector Pin 3 LED head assy cyan BPOW connector Pin 3 LED head assy black No Replace the junction board Y71 PWB Yes Check the cable connection or replace the LED head assy No Check the...

Page 119: ...r 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 Yes Check...

Page 120: ...eplace the junction board Y71 PWB Yes Check the cable connection or replace the LED head assembly No Is 32V supplied to the POWER connector pins of the engine board K73 PWB 32V Pin 7 8 9 10 No Check t...

Page 121: ...s End 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 Yes Check the cable connection or replace the eng...

Page 122: ...eplace the junction board Y71 PWB Recovered Yes End No Is the engine board K73 PWB connected with the junction board correctly No Connect the engine board with the junction board correctly Yes Check t...

Page 123: ...1andPin3ofthelow voltagepower supply unit No Replace the low voltage power supply unit Yes Is the resistance of the heat roller thermistor within the rated value See the Figure 6 1 at room temperature...

Page 124: ...responding counter will be reset Cycle Defective Part Solution 3 71 in Image Drum Replace the ID unit 1 95 in Developing Roller Replace the ID unit 2 66in Toner Supply Roller Replace the ID unit 1 73...

Page 125: ...the cable connection or replace the LED head assembly No Check the cable connection or replace the low voltage power supply unit Recovered Yes End No Is 32V supplied to the POWER connector of the eng...

Page 126: ...nction board Y71 PWB Recovered Yes End No Is engine board K73 PWB connected to the junction board Y71 PWB correctly No Connect the boards correctly Yes Check the cable connection or replace the EEPROM...

Page 127: ...the junction board Y71 PWB Yes Check the cable connection or replace the LED head assembly No Check the cable connection or replace the low voltage power supply unit Recovered Yes End No Is 32V suppli...

Page 128: ...41388601TH Rev 2 128 Figure 6 3 Ground Charge Roller Developing Roller Toner Supply Roller...

Page 129: ...m Illustration Resistance Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Between pins 1 and 2 2 4 Between pins 3 and 4 2 4 Between pins 1 and 2 2 4 Between pins 3 and 4 2 4 Transfer Belt Motor Main...

Page 130: ...tration Resistance Between pins 1 and 2 2 4 Between pins 3 and 4 2 4 Between pins 1 and 2 2 4 Between pins 3 and 4 2 4 Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Main Motor C Main Motor B MT Re...

Page 131: ...1 2 3 4 Unit Circuit Diagram Illustration Resistance Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Between pins 1 and 2 23 Between pins 3 and 4 23 Between pins 1 and 2 7 9 or 8 4 Between pins 3 a...

Page 132: ...132 Unit Circuit Diagram Illustration Resistance Geared Motor Low voltage Absorption CU Low voltage Ejection Fuser Fan CN 1 M CN 2 Red Black 32 V 1 FANALM N 3 0 V 2 M Yellow Red Black 32 V 1 FANALM N...

Page 133: ...pins a and b Between pins c and d 231 4k Between pins e and f 231 4k at 25 C 2 Between pins a and b Between pins c and d 0 or open Between pins e and f 231 4k at 25 C Fuser Unit a b Heater e f Thermis...

Page 134: ...TH Rev 2 134 7 2 Parts Layout on Boards 1 Print Engine Controller PWB K73 CPUFL1 FSENS OPTN JODEN PARTTEMP RSNS DUPLEX DUCOV PSIZE HVOLT POWER BELTSNS CUIF TR10P REG BELTHET SHUTTER HOPFF FRPUCL RCL I...

Page 135: ...2 Main Controller PWB CRM PUIF FAN 3 84 84 84 1 1 1 85 168 C 1 85 168 B 85 168 A DIMM 84 2 85 168 168 168 168 84 1 85 1 85 1 85 1 1 84 3 84 4 SDRAM ROM CENT USB 2 3 18 36 1 19 1 4 PCICU A1 B1 C1 A36 B...

Page 136: ...LED Control PWB Y71 2 PWB POWER STUCK CPOW2 MPOW2 YPOW2 TNRSNSC TNRSNSM TNRSNSY OPTN KPOW2 TNRSNSK PANEL 4 Duplex Control PWB V73 PWB SNS0 MAIN1 SNS1 CL1 CL2 MOTOR 5 Control Panel PWB X71 PWB SW4 SW8...

Page 137: ...2 137 6 N71 PWB JODEN 7 Entrance Sensor PWB R71 PWB HUM WRSNS INSNS1 INSNS2 TNR FSNS 8 Paper Size Sensing PWB PXC B73 PWB CN11 SW1 SW2 SW3 SW4 9 Sensor PWB A73 PWB 10 Option I F PWB C73 PWB LIFT HOP C...

Page 138: ...388601TH Rev 2 138 Figure 8 1 1 3 5 15 21 21 21 21 21 21 21 21 26 28 31 30 21 21 42 21 21 25 1 2 20 8 14 12 19 19 19 19 19 19 19 19 19 19 19 11 13 23 17 17 17 17 17 17 17 6 22 7 4 3 9 24 41 8 PARTS LI...

Page 139: ...41388601TH Rev 2 139 A B A B C C C 16 19 17 C 19 18 18 17 17 10 Figure 8 1 2 3...

Page 140: ...41388601TH Rev 2 140 38 34 39 33 40 39 32 35 36 37 27 44 44 Figure 8 1 3 3...

Page 141: ...APS ODA ODA ODA ODA OEL OEL OEL OEL Name Cover Assy R Cassette Assy Cover Front CS Cover Blank Cover Front Cover Side L Stacker Face Up Assy Cover Rear Cover Assy MT MPT Assy 703 Plate Top Gear Z68 F...

Page 142: ...Toner Cartridge_Type_C3_K 15K Toner Cartridge_Type_C3_Y 15K Toner Cartridge_Type_C3_M 15K Toner Cartridge_Type_C3_C 15K Toner Cartridge_Type_C3_K 15K Toner Cartridge_Type_C3_Y 15K Toner Cartridge_Typ...

Page 143: ...Duplex APS 1200dpi ODA 1200dpi OEL 1200dpi APS Option OEL Option APS Option ODA Option OEL Option APS Name Board Memory 64MB Board Memory 64MB Board Memory 64MB Board Memory 128MB Board Memory 128MB...

Page 144: ...41388601TH Rev 2 144 Figure 8 2 16 16 16 3 9 10 7 8 3 3 3 3 3 3 3 2 2 2 2 15 18 18 14 12 13 5 1 4 11 17 6...

Page 145: ...Name Cover Assy Stacker LED Assy 1200dpi LED Assy 600dpi LED Assy Spring LED control PWB Lever Stacker Full Cover Assy Inn Sub LED Harness M LED Harness C LED Harness K LED Harness Y Sensor Assy Tonne...

Page 146: ...41388601TH Rev 2 146 Figure 8 3 1 2 12 22 39 39 39 39 37 37 40 1 1 2 4 6 24 39 27 25 26 39 39 39 39 19 3 16 11 9 39 7 5 18 17 10 13 8 42 21 23 20...

Page 147: ...41388601TH Rev 2 147 37 37 37 33 37 37 37 37 37 37 29 27 28 37 30 37 38 37 37 34 32 35 41 43 31 37 36 Figure 8 3 2 2...

Page 148: ...sor Assy Registration Shutter Solenoid Registration Shutter Registration Shutter Spring Duplex Guide Assy Printer Unit Chassis Entrance Cassette Sensor Actuator Entrance MT Sensor Actuator Entrance Be...

Page 149: ...PB4083 2500P008 41346301 41589501 40197103 41431602 Remarks Name HV Tape Harness Power Supply Insulation Screw M3 6 Screw M4 8 Screw T3 8 Transfer Contact Assy Power Supply Insulation HV FAN Power Sup...

Page 150: ...41388601TH Rev 2 150 9 12 11 11 11 11 11 11 11 11 12 12 12 12 12 12 12 12 12 12 8 1 7 10 10 10 7 7 7 9 Figure 8 4 1 2...

Page 151: ...41388601TH Rev 2 151 6 5 4 18 2 12 2 2 3 13 12 12 12 12 12 12 13 12 17 13 16 15 12 12 Figure 8 4 2 2...

Page 152: ...100P008 4PB4083 2500P010 PSW2W3 10C PSW2W3 16C PSW2W3 20C 41488301 Remarks Name Guide Assy R 1st Roller Feed Roller Feed A3 Motor Pulse Hop Board A73 Gear Assy Clutch 2pin Rubber Foot Paper Size Sensi...

Page 153: ...41388601TH Rev 2 153 A B C D E A B C D E 2 3 3 1 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 3 3 Figure 8 5...

Page 154: ...1 1 2 21 9 Parts No 41178201 41178203 41178207 4PB4043 4718P001 4PB4083 2500P008 4PB4013 3100P006 Remarks ODA OEL APS Name Duplex Assy Duplex Assy Duplex Assy Screw SP3 10 Screw T3 8 Screw M3 6 per 50...

Page 155: ...41388601TH Rev 2 155 20 24 25 1 7 7 7 7 9 23 22 21 9 19 Figure 8 6 1 2...

Page 156: ...41388601TH Rev 2 156 Figure 8 6 2 2 4 6 3 12 12 12 12 12 12 17 13 16 15 18 12 6 5 2 12 2 2 12 12 These parts are not attached to the lowest tray...

Page 157: ...1 41503801 41463003 41515801 41503701 41481201 Remarks Name Guide R Assy Roller Feed Roller Feed A3 Motor Hopping Board A73 Clutch Guide Assy 2 pin Rubber Foot Connector Screw T4 6 Screw T4 8 Screw M3...

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