Troubleshooting for Image Quality Problems
SM
6-147
D0CA/D0C9/D0C8/D0CB
Tr
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6.12.8 ALL-BLACK PRINT
Symptom
Possible cause
Necessary actions
All the paper is black.
Incorrectly installed PCDU
Install the PCDU correctly.
Defective PCDU
Replace the PCDU.
Defective HVPS
Replace the HVPS.
Defective laser unit
Replace the laser unit.
Defective BiCU (PCB1)
Replace the BiCU (PCB1).
Defective main board
Replace the main board.
6.12.9 MISSING CMY COLOR
Symptom
Possible cause
Necessary actions
C, M, or Y is
missing.
Defective PCDU
Replace the PCDU.
Loss of Primary Transfer HV
output
Replace High-Voltage Power Supply
(Transfer) (PCB23).
Image transfer belt not
contacting PCDU
Check the belt tension unit.
Defective the drum motor
(CMY) (M10)
Replace the drum motor (CMY) (M10).
Defective BiCU (PCB1)
Replace the BiCU (PCB1).
6.12.10 LIGHT PRINT
Symptom
Possible cause
Necessary actions
Printed images are
too weak.
Loose connection between paper
transfer roller and HVPS
Check the connection between the
paper transfer roller and the HVPS.
Dust in the laser beam path
Clean the laser beam path.
Image transfer belt not contacting
PCDU
Check the image transfer belt unit.
Defective PCDU
Replace the PCDU.
Defective paper transfer roller
Replace the paper transfer roller.
Defective fusing unit
Replace the fusing unit.
Defective BiCU (PCB1)
Replace the BiCU (PCB1).
Содержание D0C8
Страница 1: ...D0CA D0C9 D0C8 D0CB SERVICE MANUAL Rev 08 26 2021...
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Страница 35: ...PRODUCT INFORMATION...
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Страница 45: ...INSTALLATION...
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Страница 223: ...PREVENTIVE MAINTENANCE...
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Страница 233: ...REPLACEMENT AND ADJUSTMENT...
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Страница 245: ...Special Tools SM 4 11 D0CA D0C9 D0C8 D0CB Replacement Adjustment Output Gear 01 Output Gear 02 Paper Feed Roller Axis...
Страница 246: ...Special Tools D0CA D0C9 D0C8 D0CB 4 12 SM Transport Gear 01 A Transport Gear 02 B Transport Gear 03 C...
Страница 252: ...Special Tools D0CA D0C9 D0C8 D0CB 4 18 SM Transport Gear 03 Transport Gear 04 Transport Gear 05...
Страница 260: ...Special Tools D0CA D0C9 D0C8 D0CB 4 26 SM Paper Exit Drive Gear 02 Paper Exit Drive Gear 03 Paper Exit Idler Gear 01...
Страница 262: ...Special Tools D0CA D0C9 D0C8 D0CB 4 28 SM Paper Exit Unit Guide Junction Gate Junction Gate Lever...
Страница 264: ...Special Tools D0CA D0C9 D0C8 D0CB 4 30 SM...
Страница 276: ...Exterior Covers D0CA D0C9 D0C8 D0CB 4 42 SM 6 Remove the scanner inner cover A...
Страница 353: ...PCDU Toner Supply SM 4 119 D0CA D0C9 D0C8 D0CB Replacement Adjustment 4 Remove the toner transport section A...
Страница 442: ...Duplex D0CA D0C9 D0C8 D0CB 4 208 SM 3 Remove the right cover sensor SW2 A 1...
Страница 452: ...Electrical Components D0CA D0C9 D0C8 D0CB 4 218 SM IM C300 series IM C400F...
Страница 459: ...Electrical Components SM 4 225 D0CA D0C9 D0C8 D0CB Replacement Adjustment IM C300 series IM C400F...
Страница 501: ...SYSTEM MAINTENANCE...
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Страница 578: ...Self Diagnostic Mode D0CA D0C9 D0C8 D0CB 6 4 SM...
Страница 732: ...Troubleshooting for Other Problems D0CA D0C9 D0C8 D0CB 6 158 SM...
Страница 742: ...Jam Detection D0CA D0C9 D0C8 D0CB 6 168 SM...
Страница 746: ...Jam Detection D0CA D0C9 D0C8 D0CB 6 172 SM Sensor Layout...
Страница 747: ...Jam Detection SM 6 173 D0CA D0C9 D0C8 D0CB Troubleshooting...
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Страница 751: ...DETAILED DESCRIPTIONS...
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Страница 754: ...Machine Overview D0CA D0C9 D0C8 D0CB 7 2 SM IM C400F...
Страница 756: ...Machine Overview D0CA D0C9 D0C8 D0CB 7 4 SM 7 1 2 PAPER PATH IM C300 series...
Страница 757: ...Machine Overview SM 7 5 D0CA D0C9 D0C8 D0CB Detailed Descriptions IM C400F...
Страница 759: ...Machine Overview SM 7 7 D0CA D0C9 D0C8 D0CB Detailed Descriptions 7 1 3 DRIVE LAYOUT IM C300 series IM C400F...
Страница 767: ...Machine Overview SM 7 15 D0CA D0C9 D0C8 D0CB Detailed Descriptions Fusing IM C300 series IM C400 series...
Страница 772: ...Machine Overview D0CA D0C9 D0C8 D0CB 7 20 SM Electrical Parts IM C300 series IM C400 series...
Страница 797: ...Laser Unit SM 7 45 D0CA D0C9 D0C8 D0CB Detailed Descriptions...
Страница 848: ...Duplex D0CA D0C9 D0C8 D0CB 7 96 SM 7 16 DUPLEX 7 16 1 OVERVIEW IM C300 series...
Страница 849: ...Duplex SM 7 97 D0CA D0C9 D0C8 D0CB Detailed Descriptions IM C400F...
Страница 854: ...Duplex D0CA D0C9 D0C8 D0CB 7 102 SM...
Страница 855: ...Paper Exit and Inverter SM 7 103 D0CA D0C9 D0C8 D0CB Detailed Descriptions 7 17 PAPER EXIT AND INVERTER 7 17 1 OVERVIEW...
Страница 861: ...Electrical Parts SM 7 109 D0CA D0C9 D0C8 D0CB Detailed Descriptions 7 18 ELECTRICAL PARTS 7 18 1 BLOCK DIAGRAM...
Страница 864: ...Machine Ventilation D0CA D0C9 D0C8 D0CB 7 112 SM 7 19 MACHINE VENTILATION 7 19 1 OVERVIEW IM C300 series IM C400F...
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Страница 889: ...SMART OPERATION PANEL...
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Страница 959: ...D0CA D0C9 D0C8 D0CB SERVICE MANUAL APPENDICES...
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Страница 965: ...APPENDICES SPECIFICATIONS REVISION HISTORY Page Date Added Updated New 1 04 01 2020 Updated Copy Speed...
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Страница 981: ...APPENDICES PREVENTIVE MAINTENANCE TABLES...
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Страница 991: ...APPENDICES SP MODE TABLES...
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Страница 1455: ...APPENDICES SOFTWARE CONFIGURATION...
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Страница 1469: ...Scanner Features SM Appendices 4 13 D0CA D0C9 D0C8 D0CB Appendices Software Configuration...
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Страница 1491: ...FCU PCB2 D0CK 16 SM 4 Remove the left cover A 5 Remove the controller cover A with the HDD B 6 Remove the FCU PCB2 A...
Страница 1552: ...Bit Switches 3 SM 77 D0CK...
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Страница 1614: ...Rear Cover SM 9 D3GQ 2 2 REAR COVER 1 Remove the rear cover A...
Страница 1615: ...Upper Cover D3GQ 10 SM 2 3 UPPER COVER 1 Remove the machine from the optional tray 2 Remove the upper cover A...
Страница 1617: ...Controller Board PCB1 D3GQ 12 SM 2 Remove the rear stay A 3 Remove the controller board PCB1 with the bracket A...
Страница 1622: ...Vertical Transport Rollers SM 17 D3GQ 6 Remove the vertical transport roller Driving side A Bearing 1...
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