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Oki B6500 Series, Troubleshooting Manual

The Oki B6500 Series is a reliable and efficient printer perfect for small businesses and home offices. For any Customer Support Information, users can easily download the manual for free from manualshive.com. Stay informed and maximize the capabilities of your Oki B6500 printer with the user manual download option.

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Chapter 1  Troubleshooting

Chapter 1  Troubleshooting  CONTENTS

FIP4.3 Low Paper in Tray/Tray 3, 4  ..................................................................................................  1 - 100

FIP4.4 No Recognition of Option 550 Paper Feeder  ........................................................................  1 - 101

FIP4.5 Inappropriate Option 550 Paper Feeder ................................................................................  1 - 102

4.12 Level 2 FIP.................................................................................................................................. 1 - 103
FIP4.6 PWBA FEEDER 550  .............................................................................................................  1 - 103

FIP4.7 PWBA FEEDER 550  .............................................................................................................  1 - 104

FIP4.8 SENSOR NO PAPER ............................................................................................................  1 - 105

FIP4.9 SENSOR LOW PAPER .........................................................................................................  1 - 107

FIP4.10 OPT ASSY SIZE  .................................................................................................................  1 - 108

FIP4.11 CLUTCH ASSY PH  .............................................................................................................  1 - 109

FIP4.12 CLUTCH PR-REGI ..............................................................................................................  1 - 110

5. 5. Image Quality Defects ........................................................................................ 1 - 111

5.1 Entry Chart for Image Quality Troubleshooting............................................................................. 1 - 111
5.2 Image Quality FIP ......................................................................................................................... 1 - 113
FIP- 1.P1 Faint Print  .........................................................................................................................  1 - 113

FIP- 1.P2 Blank print (No print) .........................................................................................................  1 - 115

FIP- 1.P3 Solid Black  ........................................................................................................................  1 - 117

FIP- 1.P4 Vertical blank lines (White stripes in paper transport direction) ........................................  1 - 118

FIP- 1.P5 Horizontal band cross out  .................................................................................................  1 - 120

FIP- 1.P6 Vertical stripes  ..................................................................................................................  1 - 122

FIP- 1.P7 Horizontal stripes  ..............................................................................................................  1 - 123

FIP- 1.P8 Partial Deletion  .................................................................................................................  1 - 125

FIP- 1.P9 Spots .................................................................................................................................  1 - 126

FIP- 1.P10 Ghosting  .........................................................................................................................  1 - 127

FIP- 1.P11 Background (Fog)  ...........................................................................................................  1 - 129

FIP- 1.P12 Skew  ...............................................................................................................................  1 - 130

FIP- 1.P13 Paper damage  ................................................................................................................  1 - 131

FIP- 1.P14 Unfused Image  ...............................................................................................................  1 - 133

6. Judgment of Print Consistency................................................................................1 - 135

6.1 Leading edge registration ............................................................................................................  1 - 135
6.2 Side Edge Registration ................................................................................................................  1 - 136
6.3 Skew ............................................................................................................................................  1 - 137
6.4 Perpendicularity ...........................................................................................................................  1 - 138
6.5 Parallelism ...................................................................................................................................  1 - 139

7. Preventive Maintenance..........................................................................................1 - 141

Summary of Contents for B6500 Series

Page 1: ...B6500 Troubleshooting Manual 032107A...

Page 2: ...Paper Jam Tray to Regi 1 22 FIP1 10 Paper Jam Misfeed 1 24 FIP1 11 EP Cartridge 1 26 FIP1 12 Paper Size Error 1 27 FIP1 13 No Tray Tray 1 2 1 28 FIP1 14 No Paper Tray 1 2 1 29 FIP1 15 Low Paper in Tra...

Page 3: ...ion Duplex 1 76 4 6 Level 2 FIP 1 77 FIP2 8 PWBA DUPLEX 1 77 FIP2 9 MOTOR DUPLEX 1 78 FIP2 10 SENSOR DUP 1 79 FIP2 11 SWITCH DUPLEX 1 80 OCT Option 1 81 4 7 Error Status Code List 1 81 4 8 Level 1 FIP...

Page 4: ...ooting 1 111 5 2 Image Quality FIP 1 113 FIP 1 P1 Faint Print 1 113 FIP 1 P2 Blank print No print 1 115 FIP 1 P3 Solid Black 1 117 FIP 1 P4 Vertical blank lines White stripes in paper transport direct...

Page 5: ...leshooting in this manual assumes use of Diag tools maintenance tools However the troubleshooting procedures allow for the case where the Diag tools are not used You can correct printer problems by us...

Page 6: ...The laser printer is not installed close to water service humidifier heat generating unit or fire in very dusty place or a place exposed to air flow from the air conditioning system 6 The laser print...

Page 7: ...o remove the HVPS connector P J31 while servicing the printer When checking some parts with the left cover removed and power ON high voltage may be applied by the HVPS Be sure to remove the connector...

Page 8: ...d directly to the board J12 Jack side of the connector P J12 removed except when attached directly to the board 7 P J1 2 and P J3 4 in the FIP means taking a measurement with the plus side of the mete...

Page 9: ...e FIP the paper tray at the lower part of the printer is referred to as Tray 1 and the second tray as tray 2 and the first tray of Option 550 Paper Feeder as Tray 3 and the second tray as Tray 4 16 So...

Page 10: ...Level 1 FIP The level 1 FIP is the first step for problem resolution The level 1 FIP isolates the presence of various troubles including error codes The level 2 FIP provides a guide for proceeding wi...

Page 11: ...S 2 2 Fan Motor Abnormality Abnormal rotation or other failure of the FAN MAIN or FAN SUB occurred FIP1 4 STATUS 2 3 Main Motor Abnormality Rotation of MAIN MOTOR does not reach the specified speed FI...

Page 12: ...P4 4 STATUS 16 4 Full Stack 500 Paper Exit 500 Paper Exit became Full Stack FIP1 45 STATUS 16 5 Full Stack OCT Option OCT became Full Stack FIP3 6 STATUS 17 1 Top Rear Cover Open COVER OPEN or COVER R...

Page 13: ...peci fied time FIP1 10 0 1 0 1 1 Reg Jam 1 Paper Jam Regi to Fuser When the paper did not reach Fuser from Regi position within the specified time FIP1 7 1 0 0 1 1 Reg Jam 2 Paper Jam Regi to Fuser Wh...

Page 14: ...3 1 Level 2 FIP The Level 2 FIP is the diagnostic procedure to sort various troubles in addition to the error codes When troubleshooting executing the steps given in the FIP or checkout procedure allo...

Page 15: ...p 4 End of work 1 4 Checking HVPS MCU non volatile memory setup mode Is non volatile memory setup mode accessible Check using Chapter 2 Diagnostic ADJUSTMENT PARAME TER INTIALIZE MODE Go to step 5 Rep...

Page 16: ...PL12 1 5 1 Checking NVRAM for data setup value Are the values of NV03 resolution and the value of NV04 Laser Diode output set at the initial setup value in the factory Check using Chapter 2 Diagnostic...

Page 17: ...19 LVPS PL12 1 5 HARNESS ASSY FUSER PL8 1 17 HARNESS ASSY LVPS PL12 1 1 1 Checking the thermistor for operation Does Error occur soon after the power is turned ON Error occurs as soon as the power is...

Page 18: ...VDC when half speed Go to step 6 Go to step 7 6 Checking the FAN ALARM signal 1 Is the voltage across P J24 17 and P J24 16 0 82 VDC or more Replace FAN MAIN RRP12 6 Replace HVPS MCU RRP12 10 7 Check...

Page 19: ...tool Go to step 2 Without tool Go to step 3 Reinstall obstruc tive parts 2 Checking MAIN MOTOR for operation Does the MAIN MOTOR rotate and each gear rotate normally Check using Chapter 2 Diagnostic...

Page 20: ...increase by one every time INTERLOCK S W is pushed while pressing down the SWITCH I L ASSY with a finger Check using Chapter 2 Diagnostic Sensor Switch Check Go to step 3 Go to FIP1 32 and 33 INTERLO...

Page 21: ...R ASSY Remove EP CARTRIDGE to check Replace HVPS MCU RRP12 10 Go to step 5 5 Checking paper position 3 Does the front end of paper go through BTR ASSY Go to step 15 Go to step 6 6 Checking paper posit...

Page 22: ...8 10 Are there any abnormalities in BTR ASSY Check the shape shaft and Bearing BTR of BTR ASSY Go to step 15 Replace BTR ASSY RRP8 10 15 Checking GUIDE ASSY CRU R Is GUIDE ASSY CRU R damaged or staine...

Page 23: ...Checking GEAR ASSY HOUSING operation 1 Remove EP CARTRIDGE Install COVER ASSY and close it Does each gear rotate normally Check using Chapter 2 Diagnostic Main Motor Test Replace HVPS MCU RRP12 10 Go...

Page 24: ...p 8 Go to step 6 6 Run a test print Does Error occur Check using Chapter 2 Diagnostic TEST PATTERN MODE MENU Go to step 7 End of work 7 Checking ROLL PINCH EXIT Remove COVER TOP ASSY PL1 1 7 RRP1 4 Is...

Page 25: ...the power to Exit Sensor Is the voltage across P J46 3 and P J46 4 3 3VDC Replace LVPS RRP12 3 Go to step 13 13 Checking LVPS for continuity Is there continuity between P J41 1 and P J46 3 Go to FIP1...

Page 26: ...ower is turned ON Go to FIP1 28 SENSOR REGI Go to step 5 5 Checking ROLL ASSY RETARD Is ROLL ASSY RETARD not damaged and installed correctly Check the operation of it assembled each Paper Cas sette Go...

Page 27: ...y Check using Chapter 2 Diagnostic Option Tray1 2 Feed Clutch Test Go to step 14 Go to FIP1 39 CLUTCH ASSY PH 13 Checking 550 FEEDER OPTION for operation Does each gear and roller of 550 FEEDER OPTION...

Page 28: ...paper with a new and dry one Go to step 3 3 Checking the paper size setup Does the paper size in use match the size setup by GUIDE ASSY END or by the driver on the PC Go to step 4 Replace the paper or...

Page 29: ...a finger to check Go to step 12 Replace CHUTE ASSY FDR1 2 12 Checking the paper feeding tray Is the paper for test printing supplied from Tray 3 or Tray 4 With tool Go to step 13 Without tool Go to st...

Page 30: ...el Go to step 2 Replace EP CAR TRIDGE 2 Checking EP CARTRIDGE 2 Install the EP CARTRIDGE again Does STATUS 1 6 occur again when the power is turned ON Go to step 3 End of work 3 Checking GUIDE ASSY CR...

Page 31: ...1 2 Does the number of Sensor Switch Check increase one by one when ACTUATOR B of SENSOR REGI is pushed and released Check using Chapter 2 Diagnostic Sensor Switch Check Go to step 4 Go to FIP1 28 SEN...

Page 32: ...or occur with Tray 3 or Tray 4 Go to FIP4 1 No Tray Tray 3 4 Go to step 2 2 Does Error still occur after removing and reinserting the Paper Cassette of Tray 1 and Tray 2 Go to step 3 End of work 3 Che...

Page 33: ...einstall it correctly 4 With pressing down PLATE ASSY BTM press the cen ter area of RACK BTM LOCK 550 against HOUSING BASE 550 Are RACK BTM LOCK 550 and HOUSING BASE 550 touched each other without any...

Page 34: ...2 End of work 2 Checking ACTUATOR LOW PAPER for function Remove Paper Cassette Does ACTUATOR LOW PAPER move smoothly when moving ACTUATOR LOW PAPER up and down with a finger Does ACTUATOR LOW PAPER go...

Page 35: ...HVPS MCU PL12 1 19 1 Checking EP CARTRIDGE Does Error still occur after installing a new EP CAR TRIDGE Go to step 2 End of work 2 Checking GUIDE ASSY CRU R for continuity Remove EP CARTRIDGE Remove GU...

Page 36: ...PS MCU PL12 1 19 1 Checking FUSER ASSY Does Error still occur after installing a new FUSER ASSY and sending RESET FUSER LIFE WARNING command Checks by sending RESET FUSER LIFE WARNING Command from Con...

Page 37: ...age of AC power source meet commercial voltage Go to step 3 Ask the customer to arrange the AC power source 3 Checking the fuse Remove SHIELD PLATE LVPS PL12 1 3 RRP12 1 Is the fuse on LVPS open Repla...

Page 38: ...J20 from HVPS MCU Remove EP CARTRIDGE Does FAN MAIN rotate when the power is turned ON Replace PWBA FEEDER 550 RRP20 8 Go to step 12 12 Checking INTERLOCK S W Disconnect P J44 and P J45 from LVPS Are...

Page 39: ...35 Chapter 1 Troubleshooting 17 Checking FAN SUB Replace FAN SUB RRP8 2 Remove EP CARTRIDGE Does the FAN SUB rotate when the power is turned ON End of work Replace HVPS MCU RRP12 10 Step Check Yes No...

Page 40: ...cable of HARNESS ASSY PANEL continuous Go to step 3 Replace HAR NESS ASSY PANEL 3 Checking OPERATION PANEL 2 Is the display stable after replacing OPERATION PANEL RRP1 4 End of work Replace HVPS MCU...

Page 41: ...cable of HARNESS ASSY PANEL continuous Go to step 3 Replace HAR NESS ASSY PANEL 3 Checking OPERATION PANEL 2 Is the display stable after replacing OPERATION PANEL RRP1 4 End of work Replace HVPS MCU R...

Page 42: ...VPS 3 Checking LVPS 2 Remove EP CARTRIDGE Is the voltage across P J11 16 and P J11 15 on HVPS MCU 3 3 VDC Replace HVPS MCU RRP12 10 Go to FIP1 24 LVPS 4 Checking the test printing after installing EP...

Page 43: ...wn With tool Go to step 2 Without tool Go to step3 Replace GATE FU 2 Checking SENSOR FACE UP for operation Remove EP CARTRIDGE Does the number of Sensor Switch Check increase by one every time moving...

Page 44: ...to step 2 Without tool Go to step3 Replace ACTUA TOR FULL STACK 2 Checking SENSOR FULL STACK for operation 1 Remove EP CARTRIDGE Does the number of Sensor Switch Check increase by one every time pushi...

Page 45: ...ce LVPS RRP12 3 2 Checking LVPS driving power Disconnect P J42 from LVPS Turn the power ON Is the voltage across P J42 1 and P J42 2 24 VDC Go to step 3 Go to FIP2 9 INTERLOCK S W 24V FIP1 34 INTERLOC...

Page 46: ...SY LVPS for continuity 1 Remove SHIELD PLATE LVPS RRP12 1 Disconnect P J41 from LVPS Disconnect P J11 from HVPS MCU Is each cable of P J41 and P J11 continuous Go to step 4 Replace HAR NESS ASSY LVPS...

Page 47: ...RRP1 6 4 Checking HARNESS ASSY LVPS Disconnect P J141 of HARNESS ASSY LVPS Is it conductive between P J141 1 and P J141 3 when INTERLOCK S W 5V and SWITCH I L ASSY 5V are pushed simultaneously and is...

Page 48: ...connect P J17 and P J16 from HVPS MCU Disconnect P J170 and P J160 from ROS ASSY Is there continuity between P J17 and P J170 P J16 and P J160 Go to step 12 Replace HAR NESS ASSY ROS 12 Checking SOS p...

Page 49: ...P8 8 Replace HAR NESS ASSY FUSER RRP8 7 3 Checking Fuser power source voltage Disconnect P J48 from LVPS Remove EP CARTRIDGE Turn the power to ON Is the voltage across P J48 1 and P J48 3 commercial v...

Page 50: ...6 2 about 480 k ohm in the normal tem perature about 20 C Go to step 8 Replace FUSER ASSY RRP8 8 8 Checking after replacing HVPS MCU Replace HVPS MCU RRP12 10 Does the problem still occur after replac...

Page 51: ...EEDER ASSY removed Remove EP CARTRIDGE Close COVER OPEN PL1 1 2 Does the number of Sensor Switch Check increase by one by moving ACTUATOR B with a mini screwdriver Check using Chapter 2 Diagnostic Sen...

Page 52: ...P J241 2 P J245 6 and P J241 1 Go to step 8 Replace HAR NESS ASSY TRAY1 7 Checking HVPS MCU for continuity Disconnect P J11 from HVPS MCU Is there continuity between P J11 16 and P J24 9 Go to FIP1 2...

Page 53: ...n between sensor detecting point With tool Go to step 3 Without tool Go to step 4 Replace PLATE ASSY BTM RRP2 5 4 5 3 Checking SENSOR NO PAPER 1 Remove EP CARTRIDGE Close COVER OPEN PL1 1 2 Remove Pap...

Page 54: ...connect P J24 from HVPS MCU Is there continuity between P J245 1 and P J240 3 P J245 2 and P J240 2 P J245 3 and P J240 1 P J248 1 and P J246 3 P J248 2 and P J246 2 P J248 3 and P J246 1 Go to step 9...

Page 55: ...nt when pushed down With tool Go to step 2 Without tool Go to step 3 Replace ACTUA TOR LOW PAPER 2 Checking SENSOR LOW PAPER for operation 1 Remove EP CARTRIDGE Close COVER OPEN PL1 1 2 Remove Paper C...

Page 56: ...End of work 3 Checking SENSOR TONER ASSY installation Is SENSOR TONER ASSY installed correctly and does HOLDER D operate smoothly Go to step 4 Replace SENSOR TONER ASSY 4 Checking HARNESS ASSY TONER1...

Page 57: ...Possible causes INTERLOCK S W 24V PL8 1 11 LVPS PL12 1 5 HVPS MCU PL12 1 19 1 Checking INTERLOCK S W 24V Disconnect P J45 from LVPS Is P J45 1 and P J45 3 continuous when INTERLOCK S W 24V is pushed...

Page 58: ...RRP8 5 2 Checking SWITCH I L ASSY Remove INTERLOCK S W 5VR Is P J144 1 and P J144 3 continuous when INTER LOCK S W 5VR is pushed and not when released Go to step 3 Replace SWITCH I L ASSY RRP1 6 3 Ch...

Page 59: ...causes INTERLOCK S W REAR PL12 1 7 LVPS PL12 1 5 HVPS MCU PL12 1 19 1 Checking INTERLOCK S W REAR for continuity Disconnect P J44 from LVPS Is P J44 1 and P J44 3 continuous when INTERLOCK S W REAR is...

Page 60: ...cking SWITCH I L ASSY for continuity Disconnect P J411 Is P J411 1 and P J411 2 continuous when SWITCH I L ASSY is pushed and not when released Go to step 2 Replace SWITCH I L ASSY RRP1 6 2 Checking H...

Page 61: ...P J10 P J102 and P J101 from HARNESS ASSY LVPS Is there continuity between J27 and J102 Go to step 2 Replace HAR NESS ASSY LVPS 2 Checking PWBA EXIT MOTOR power source voltage Disconnect P J101 from...

Page 62: ...Speed Test Exit Motor Counterclockwise Low Speed Test End of work Go to step2 2 Checking MOTOR ASSY EXIT Replace MOTOR ASSY EXIT RRP10 5 Is the problem cleared after replacement End of work Go to ste...

Page 63: ...lace HAR NESS ASSY CHUTE 2 Checking HARNESS ASSY TRAY1 for continuity Remove CLUTCH REGI Disconnect P J245 Is there continuity between P J245 9 and P J243 2 P J245 10 and P J243 1 Go to step 3 Replace...

Page 64: ...NESS ASSY TRAY1 and TRAY2 for continuity Remove CLUTCH ASSY PH Disconnect P J245 or P J248 Is there continuity between P J245 8 and P J242 1 P J245 7 and P J242 2 P J248 5 and P J247 1 P J248 4 and P...

Page 65: ...ng HARNESS ASSY LVPS for continuity Disconnect P J18 from HVPS MCU Disconnect P J1821 Is each cable between J18 and J1821 continuous Go to step 2 Replace HAR NESS ASSY LVPS 2 Checking GUIDE TRAY LEFT...

Page 66: ...Work over the installation of HVPS MCU again RRP12 10 2 Checking GUIDE ASSY CRU R Remove GUIDE ASSY CRU R RRP8 13 Is the Plate Earth of GUIDE ASSY CRU R damaged or soiled Go to step 3 Replace GUIDE A...

Page 67: ...to step 3 Request the client to fix AC power supply outlet 3 Checking HARNESS ASSY AC100V 200V Is the cable connected to HARNESS ASSY AC100V 200V appropriately grounded Go to step 4 Install the ground...

Page 68: ...ed When Option Duplex is installed Are screws of PWBA DUPLEX firmly tightened When Option OCT is installed Are screws of PWBA OCT firmly tightened Go to step 9 Restore the inappropriate ground 9 Check...

Page 69: ...eed Test Exit Motor Counterclockwise Low Speed Test End of work Go to step 2 2 Checking MOTOR ASSY EXIT Replace MOTOR ASSY EXIT RRP10 5 Is the problem cleared End of work Go to step 3 3 Checking HARNE...

Page 70: ...p 3 Replace LEVER GATE FU and GATE FU 2 Checking SENSOR FACE UP OPEN for operation 1 Remove EP CARTRIDGE Close COVER ASSY REAR 500 Move LEVER GATE FU up and down Does the number increase one by one ev...

Page 71: ...Go to step 3 Replace ACTUA TOR FULL STACK 2 Checking SENSOR FULL STACK 1 Remove EP CARTRIDGE Close COVER ASSY REAR 500 Move ACTUATOR FULL STACK up and down Does the number increase one by one every ti...

Page 72: ...1 68 Chapter 1 Troubleshooting Blank Page...

Page 73: ...rted in Duplex or OCT mode is selected FIP2 6 FIP3 5 JS4 JS3 JS2 JS1 JS0 Contents of Jam Error Description FIP to be referred 0 0 1 0 0 Duplex Jam 1 Paper Jam Dup to Regi When the paper reached Regi p...

Page 74: ...COVER HSG DUP Open COVER HSG DUP Is the rib on HSG LOWER DUP to push down SWITCH DUPLEX damaged Replace HSG LOWER DUP RRP21 3 With tool Go to step 2 Without tool Go to FIP2 11 SWITCH DUPLEX 2 Checking...

Page 75: ...k Yes No Possible causes HVPS MCU PL12 1 19 PWBA DUPLEX PL21 1 32 HARNESS ASSY DUP PL21 1 7 1 Checking Option Duplex installation Does Error still occur after removing Option Duplex once reinstalling...

Page 76: ...rint by Duplex printing Go to step 5 End of work 5 Checking paper position 1 Open COVER HSG DUP Does the front end of paper reach the top roller of ROLL DUP Go to step 6 Replace FUSER ASSY RRP8 8 6 Ch...

Page 77: ...p 3 Reinstall FDR1 AS SUB 150 A4 cor rectly 3 Checking transmission of driving force Remove COVER LEFT PL21 1 25 Do ROLL DUP and every Gear rotate smoothly Turn the gear with a finger to check Go to s...

Page 78: ...SUB 150 A4 cor rectly 3 Checking transmission of driving force Remove COVER LEFT PL21 1 25 Do ROLL DUP and every Gear rotate smoothly Turn the gear with a finger to check Go to step 4 Replace the part...

Page 79: ...Checking NVRAM data Does NV01 setup match the specification of printer Go to step 4 Modify the memory data of NV01 4 Checking the paper tray 1 Is it Tray 1 that is in use when Error occurred Replace...

Page 80: ...Checking Option Duplex detection signal 2 Is the voltage across P J27 4 and P J27 3 on HVPS MCU 3 3 VDC Go to step 3 Replace HVPS MCU RRP12 10 3 Checking HARNESS ASSY LVPS for continuity Remove HARNES...

Page 81: ...emove Option Duplex Disconnect P J50 from PWBA DUPLEX Is there continuity between J2750 and J50 Go to step 2 Replace HAR NESS ASSY DUP 2 Checking HARNESS ASSY LVPS for continuity Disconnect P J27 from...

Page 82: ...ty With tool Go to step 3 Without tool Go to step 4 Replace HAR NESS ASSY LVPS 3 Checking MOTOR DUPLEX for rotation Does the motor rotate Check by the rotating sound of the motor Check using Chapter 2...

Page 83: ...3 Checking SENSOR DUP 2 Remove EP CARTRIDGE Close COVER OPEN PL1 1 2 Open COVER HSG DUP PL21 1 18 and keep open Is the voltage across P J53 3 and P J53 2 0 VDC when ACTUATOR DUP is pushed and 3 3 VDC...

Page 84: ...UP COVER Is there continuity between J52 and J520 Go to step 3 Replace HAR NESS ASSY DUP COVER 3 Checking HARNESS ASSY DUP for continuity Remove HARNESS ASSY DUP Is there continuity between J50 and J2...

Page 85: ...CT is open FIP3 1 STATUS 17 5 OCT Unit Fail Option OCT is not installed when OCT mode is selected FIP3 2 FIP3 7 STATUS 21 1 Illegal Size Duplex OCT Paper size that is not supported in Duplex or OCT mo...

Page 86: ...R PL23 1 29 1 Checking COVER REAR Is the rib on COVER REAR to push down S W REAR COVER damaged Replace Cover REAR RRP23 2 With tool Go to step 2 Without tool Go to FIP3 1 S W REAR COVER 2 Checking S W...

Page 87: ...eck Yes No Possible causes HARNESS ASSY OCT1 PL12 1 26 HVPS MCU PL12 1 19 PWBA OCT PL23 1 22 HARNESS ASSY OCT2 PL23 1 25 1 Checking Option OCT installation Remove Option OCT reinstall and turn the pow...

Page 88: ...reinstall it Does Error still occur when Test Printing is run in OCT mode Go to step 5 End of work 5 Checking transmission of driving force Do ROLL OCT LOWER ROLL OCT UPPER and every GEAR rotate smoot...

Page 89: ...to step 5 5 Run a test print Remove Option OCT and then reinstall it Does Error still occur when Test Printing is run in OCT mode Go to step 6 End of work 6 Checking transmission of driving force Do...

Page 90: ...ecifications Go to step 3 Modify the memory data 3 Checking the paper tray 1 Is the paper supplied from Tray 1 when Error occurred Replace HVPS MCU RRP12 10 Go to step 4 4 Checking the paper tray 2 Is...

Page 91: ...ACK at the paper out let With tool Go to step 2 Without tool Go to step 3 Replace ACTUA TOR FULL STACK 2 Checking Sensor Full Stack for operation Remove EP CARTRIDGE Does the number of Sensor Switch C...

Page 92: ...OCT detection signal 2 Is the voltage across P J30 4 and P J30 3 on HVPS MCU 3 3 VDC Go to step 3 Replace HVPS MCU RRP12 10 3 Checking HARNESS ASSY OCT2 for continuity Remove HARNESS ASSY OCT2 Is the...

Page 93: ...y Remove Option OCT RRP23 1 Disconnect P J70 from PWBA OCT Remove HARNESS ASSY OCT2 Is there continuity between J70 and J3070 Go to step 2 Replace HAR NESS ASSY OCT2 2 Checking HARNESS ASSY OCT1 for c...

Page 94: ...ting sound of the motor Check using Chapter 2 Diagnostic OCT Motor Test Go to step 4 Go to step 3 Checking MOTOR ASSY OCT 3 Not using DIAG tool Replace MOTOR ASSY OCT RRP23 13 Is the problem cleared E...

Page 95: ...Diagnostic OCT Offset Test Go to step 2 Go to step 3 2 Is the problem cleared End of work Go to FIP3 8 PWBA OCT 3 Checking MOTOR ASSY OFFSET Replace MOTOR ASSY OFFSET RRP23 8 Is the problem cleared En...

Page 96: ...ic Option Direction Test Go to step 2 Go to step 3 2 Is the problem cleared End of work Go to FIP3 8 PWBA OCT 3 Checking SOLENOID ASSY GATE Replace SOLENOID ASSY GATE RRP23 9 Is the problem cleared En...

Page 97: ...COVER Is there continuity between J74 and J740 Go to step 3 Replace S W REAR COVER 3 Checking HARNESS ASSY OCT2 for continuity Disconnect P J70 from PWBA OCT Remove HARNESS ASSY OCT2 Is there continui...

Page 98: ...T RRP23 1 Open COVER REAR Move ACTUATOR OCT up and down Does the number increase one by one every time ACTUATOR OCT operates Check using Chapter 2 Diagnostic Sensor Switch Check Replace HVPS MCU RRP12...

Page 99: ...ce ACTUA TOR FULL STACK 2 Checking Sensor Full Stack mounted on PWBA OCT 1 Remove EP CARTRIDGE Install Option OCT RRP23 1 Move ACTUATOR FULL STACK up and down Does the number increase one by one every...

Page 100: ...or on CHUTE OFFSET with a finger Does CHUTE OFFSET operate smoothly Go to step 2 Replace CHUTE OFFSET ASSY 2 Checking HARNESS ASSY OCT2 for continuity Disconnect P J70 from PWBA OCT Remove HARNESS ASS...

Page 101: ...4 Remaining paper in Tray 4 became low FIP4 3 STATUS 15 4 Near end of paper in Tray 3 Remaining paper in Tray 3 became low FIP4 3 STATUS 16 3 Option Tray Unit Fail Option Tray is not installed when O...

Page 102: ...SETTE PL20 3 50 1 Does Error still occur after removing and reinstalling the 550 PAPER CASSETTE of Option 550 Paper Feeder on Tray 3 or Tray 4 Go to step 2 End of work 2 Checking 550 PAPER CASSETTE Ar...

Page 103: ...press the cen ter area of RACK BTM LOCK 550 against HOUSING BASE 550 Are RACK BTM LOCK 550 and HOUSING BASE 550 Go to step 4 Work over the installation of RACK BTM LOCK 550 again RRP20 22 4 Checking...

Page 104: ...or Tray 4 Go to step 2 End of work 2 Checking ACTUATOR LOW PAPER for function Remove 550 PAPER CASSETTE Does ACTUATOR LOW PAPER move smoothly when moving ACTUATOR LOW PAPER up and down Does ACTUATOR...

Page 105: ...J83 7 J2083 5 and J83 6 Go to FIP4 6 4 7 PWBA FEEDER 550 Go to step 2 when Tray 4 is not recognized Replace HAR NESS ASSY FDR2 2 Checking HARNESS ASSY FDR5 of Feeder equivalent to Tray 3 for continui...

Page 106: ...ion 550 Paper Feeder Step Check Yes No Possible causes PWBA FEEDER 550 PL20 1 34 1 Checking Option 550 Paper Feeder Is Option 550 Paper Feeder for correct JIGEN2 installed Go to FIP4 6 4 7 PWBA FEEDER...

Page 107: ...ER 550 PL20 1 34 HARNESS ASSY FDR2 PL20 1 5 HVPS MCU PL12 1 19 1 Checking HARNESS ASSY FDR2 for continuity Remove HARNESS ASSY FDR2 Is there continuity between J2083 and J83 Go to step 2 Replace HAR N...

Page 108: ...PL20 1 26 HARNESS ASSY FDR2 PL20 1 5 HVPS MCU PL12 1 19 1 Checking HARNESS ASSY FDR2 for continuity Remove HARNESS ASSY FDR2 Is there continuity between J2083 and J83 Go to step 2 Replace HAR NESS ASS...

Page 109: ...CASSETTE Put the hand in the cassette insertion space move ACTUATOR NO PAPER Does the number increase one by one as ACTUATOR NO PAPER operates Check using Chapter 2 Diagnostic Sensor Switch Check Rep...

Page 110: ...d P J20 from HVPS MCU Is there continuity between P11 16 and P20 5 Go to step 7 Replace HVPS MCU RRP12 10 7 Checking after replacing SENSOR NO PAPER 3 Replace SENSOR NO PAPER RRP20 16 Does the problem...

Page 111: ...nsertion space move ACTUATOR LOW PAPER Does the number increase one by one as ACTUATOR LOW PAPER operate Check using Chapter 2 Diagnostic Sensor Switch Check Replace HVPS MCU RRP12 10 Go to step 3 3 C...

Page 112: ...ESS ASSY SIZE FDR1 for continuity Remove HARNESS ASSY SIZE FDR1 Is each cable between J801 and J802 continuous Go to step 2 Replace HAR NESS ASSY SIZE FDR1 2 Checking HARNESS ASSY SIZE FDR2 for contin...

Page 113: ...Is the resistance of the wire wound resistor between P J853 1 and P J853 2 of CLUTCH ASSY PH 172 ohm 10 at 20 C Go to step 4 Replace CLUTCH ASSY PH RRP20 14 4 Checking PWBA FEEDER 550 for continuity D...

Page 114: ...Is the resistance of the wire wound resistor between P J854 1 and P J854 2 of CLUTCH PR REGI 172 ohm 10 at 20 C Go to step 4 Replace CLUTCH PR REGI RRP20 15 4 Checking PWBA FEEDER 550 for continuity D...

Page 115: ...lfunction on Printer Controller side Test print result with the engine only is also abnormal Malfunction on the engine side When it is the case of Malfunction on Printer Controller side replace with n...

Page 116: ...White stripes in paper transport direction FIP 1 P5 Horizontal band cross out FIP 1 P6 Vertical stripes FIP 1 P7 Horizontal stripes FIP 1 P8 Partial lack FIP 1 P9 Spots FIP 1 P10 Afterimage FIP 1 P11...

Page 117: ...ng the laser beam course Make sure there is no obstacle between ROS ASSY and Drum Check if any stains on ROS ASSY window Are there any obstacles on the laser beam course Is ROS ASSY window clean Go to...

Page 118: ...m right before the tran scribe part BTR Is the image on the drum completely formed Is the area clear and black and easily read Go to step 8 Go to FIP1 41 HVPS MCU 8 Checking the image transcribe proce...

Page 119: ...SY PL7 1 10 Step Check Yes No 1 Confirm whether HVPS MCU is assembled under the hook of FRAME Go to step 2 Work over the installation of HVPS MCU again RRP12 10 2 Checking the laser beam course Make s...

Page 120: ...nting Remove the EP CARTRIDGE with care and check the toner image formed on the drum right before the transcribe part BTR Is the image on the drum completely formed Is the area clear and black and eas...

Page 121: ...L12 1 5 150 FEEDER ASSY PL5 1 1 ROS ASSY PL8 1 1 PWBA ESS PL12 1 13 550 FEEDER ASSY PL7 1 10 Step Check Yes No 1 Checking EP CARTRIDGE Install a new EP CARTRIDGE Carry out a test printing Is the print...

Page 122: ...problem image Does the problem still occur Go to step 2 End of work 2 Checking the paper transfer course Check if there are any stains or obstacles on the paper transfer course between the paper feed...

Page 123: ...ASSY RRP8 8 Warning Start the operation after the FUSER ASSY have cooled down Turn the Gear HR with a finger and check the Heat Roll and Pressure Roll Are the Heat Roll and Pressure Roll damaged or st...

Page 124: ...Yes No 1 Checking the paper condition Have new dry and recommended paper on Re print the problem image Does the problem still occur Go to step 2 End of work 2 Checking EP CARTRIDGE Install new EP CART...

Page 125: ...R ASSY HOUSING Replace Drive Assy and GEAR ASSY HOUSING RRP11 3 Re print the problem image Does the problem still occur Go to step 8 End of work 8 Checking Heat Roll and Pressure Roll Remove FUSER ASS...

Page 126: ...cking the laser beam course Make sure there is no obstacle between ROS ASSY and Drum Are there any obstacles on the laser beam course Check if any stains on ROS ASSY window Go to step 3 Remove all the...

Page 127: ...ASSY Are the connectors on ROS ASSY surely connected Is the ROS ASSY surely secured to the frame Go to step 3 Reconnect the con nectors and or rein stall the ROS ASSY 3 Checking Drive Assy and GEAR A...

Page 128: ...the toner image formed on the drum right before the tran scribe part BTR Is the image on the drum completely formed Is the area clear and black and easily read Go to step 9 Go to FIP1 41 HVPS MCU 9 Ch...

Page 129: ...m image Does the prob lem still occur Go to step 3 End of work 3 Checking the image development process Operate Test Print and turn off the power of the printer while printing Remove the EP CARTRIDGE...

Page 130: ...s and or wear on BTR ASSY Are there any stains and or wear on BTR Go to step 3 Replace BTR ASSY RRP8 10 3 Checking ROS ASSY Are the connectors on ROS ASSY surely connected Go to step 4 Reconnect the c...

Page 131: ...l Pressure Roll 550 FEEDER ASSY PL7 1 10 Step Check Yes No 1 Checking repeat printing Check the afterimage Is the client printing a copy of the same image in a large quantity Go to step 2 Go to step 3...

Page 132: ...continuity between the plate on the left side of FUSER ASSY and the following points Back plate and Both ends of Heat Roll without coating 5 10 k ohm Front plate and The plate on Inlet Chute left end...

Page 133: ...rocess Operate Test Print and turn off the power of the printer while printing Remove the EP CARTRIDGE with care and check the toner image formed on the drum right before the tran scribe part BTR Is t...

Page 134: ...the Paper Cassette to the printer Install PLATE ASSY BTM correctly not to incline right or left RRP2 5 and 4 5 Re print the problem image Does the problem still occur Go to step 3 End of work 3 Check...

Page 135: ...hapter 2 Diagnostic TEST PATTERN MODE MENU Dose the problem still occur Go to step 3 End of work 3 Check the paper transfer course Check if there are any stains or obstacles on the paper transfer cour...

Page 136: ...1 132 Chapter 1 Troubleshooting 6 Checking EP CARTRIDGE Install a new EP CARTRIDGE Carry out a test printing Is the paper still damaged Go to step ESS and possible causes End of work Step Check Yes No...

Page 137: ...o 1 Checking FUSER ASSY installation Check that the levers on both sides of the FUSER ASSY is pushed down and then reprint the problem image Does the problem still occur Go to step 2 End of work 2 Che...

Page 138: ...SSY Turn the gear of the Heater Roller with a finger Check the contact condition of Heat Roll and Pressure Roll when rotating Do Heat Roll and Pressure Roll contact evenly Go to step ESS and possible...

Page 139: ...ting environment for 12 hours and then use the paper just after it has been unpacked Note The image quality cannot be evaluated when the machine is faulty 6 1 Leading edge registration Measurement of...

Page 140: ...6 Chapter 1 Troubleshooting 6 2 Side Edge Registration Measure the amount of shift from the ideal point 108 0 mm away from the left end at center of front and back of the paper Reference less than 2 5...

Page 141: ...137 Chapter 1 Troubleshooting 6 3 Skew Measurement of the inclined paper feeding Measure the vertical distance of two points 190 mm away each other on the top horizontal line Reference less than 1 2 m...

Page 142: ...nt of the perpendicularity for suppressing inclines of ROS and OPC Check the perpendicular line to the horizontal line to measure the horizontal distance at the point 114 5 mm away vertically from cen...

Page 143: ...ng 6 5 Parallelism The parallelism is difference of feeding speed between left and right sides of the paper Measure the difference of length between two 234 mm long vertical lines 190 mm away each oth...

Page 144: ...equired 3 Print several test prints to ensure that there are no problems 4 Remove foreign articles on BTR ASSY FUSER ASSY and paper transfer rolls and clean stains with a brush and dry waste cloth Whe...

Page 145: ...sts 2 5 6 Alignment 2 6 7 Maintenance Info 2 7 7 1 Reset Maint Read 2 7 7 2 Image Counter 2 7 7 3 Sheet Counter 2 7 7 4 Toner Page Count 2 7 7 5 Serial Number 2 7 7 6 Asset Tag 2 8 7 7 Reset Error Log...

Page 146: ...Chapter 2 Printer Diagnostics Chapter 2 Diagnostics CONTENTS 11 Print Summary 2 16...

Page 147: ...ctuation of sensors or switches energize and de energize solenoids etc In addition you can perform tray alignment routines reset maintenance counters set serial number and asset tag test the operator...

Page 148: ...X buttons on the Operator Panel 3 Switch the printer power ON 4 Continue to hold the Menu and X buttons until Initializing is displayed on the LCD 5 Release the two buttons after a short period of ti...

Page 149: ...has no sub menus pressing X will start the test If the test is a motor the motor will run If the test is a solenoid the solenoid will energize If the selected menu has a sub menu use the T or S button...

Page 150: ...selection The complete Output Tests menu is displayed in the figure below None of the menu selections in the Output Tests have sub menus Pressing X will run the menu item currently displayed Pressing...

Page 151: ...fuser tem perature and ROM Checksum With Input Tests displayed on the LCD pressing the X button will enter the Input Tests menu and display the first menu selection Sensor Test Pressing the X button...

Page 152: ...he paper trays With Alignment displayed on the LCD pressing the X button will enter the Alignment menu and display the first menu selection Tray1 Y Adjust Pressing the X button again will enable the T...

Page 153: ...splay a seven digit number indicating the total images produced by the printer 7 3 Sheet Counter Pressing X will enter the sheet counter menu and display an eight digit number indicating the total she...

Page 154: ...as previously been entered the second line of the display will be blank with a line at the bottom of the first digit position Using the T or S buttons scroll through the possible choices that can be e...

Page 155: ...operation of the Operator Panel LEDs 8 2 LCD Test The LCD test is used to test the segments of the LCD display With LCD Test displayed pressing the X button will run the LCD test The first line will...

Page 156: ...testing of eight buttons on the operator panel With Key Test displayed press ing the X button will enter the key test Opn This indicates that a button is Open As you press each button the correspondi...

Page 157: ...test pages below The tray choices for this menu are Tray 1 Tray 2 Tray 3 Tray 4 Use the T or S buttons to scroll through the choices With the desired tray displayed press X to save your choice and re...

Page 158: ...stics 9 3 Engine Test Page With Engine Test Page displayed on the LCD pressing the X button will print the Engine Test Page 9 4 Grid Page With Grid Page displayed on the LCD pressing the X button will...

Page 159: ...stics 9 5 Blank Page With Blank Page displayed on the LCD pressing the X button will print a Blank Page 9 6 Black Page With Black Page displayed on the LCD pressing the X button will print a page with...

Page 160: ...2 14 Chapter 2 Diagnostics 9 7 Test Page With Test Page displayed on the LCD pressing the X button will print the Test Page...

Page 161: ...h Summary With Flash Summary displayed on the LCD pressing the X button will print the Flash Summary shown below When the print completes the display will remain at the Flash Summary Menu This is an e...

Page 162: ...t Summary With Print Summary displayed on the LCD pressing the X button will print the Print Summary shown below When the print completes the display will remain at the Print Summary Menu This is an e...

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