Xerox Copycentre C118, Service Manual

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12/2004
4-1 CCC118, WCM118
Repairs/Adjustments Initial Issue
4 Repairs/Adjustments
1. Drives
REP 1.1.1 Main Drive Assembly .................................................................................... 4-3
2. Paper Transportation
REP 2.2.1 Retard Pad.................................................................................................... 4-5
REP 2.4.1 Registration Unit ........................................................................................... 4-6
REP 2.5.1 Left Cover Assembly..................................................................................... 4-8
REP 2.5.2 BTR Assembly .............................................................................................. 4-10
3. ROS
REP 3.1.1 ROS Unit....................................................................................................... 4-11
4. Xerographics/Development
REP 4.1.1 X ................................................................................................................... ERO/
Developer Cartridge ........................................................................................................ 4-15
REP 4.1.2 Toner Cartridge............................................................................................. 4-16
REP 4.2.1 Dispense Motor............................................................................................. 4-17
5. Fuser
REP 5.1.1 Fuser Assembly ............................................................................................ 4-21
6. Exit
REP 6.1.1 Exit + OCT Assembly.................................................................................... 4-23
7. MPT
REP 7.1.1 MPT Unit....................................................................................................... 4-27
REP 7.2.1 MPT Retard Pad ........................................................................................... 4-30
9. Electrical Components
REP 9.1.1 MCU PWB .................................................................................................... 4-33
REP 9.2.1 ESS PWB ..................................................................................................... 4-34
10. Covers
REP 10.1.1 Top Cover ................................................................................................... 4-35
REP 10.2.1 Rear Cover ................................................................................................. 4-37
11. IIT
REP 11.1.1 Control Panel .............................................................................................. 4-39
REP 11.1.2 MFC and EXT PWB Box............................................................................. 4-42
REP 11.2.1 IIT Carriage Assembly ................................................................................ 4-46
REP 11.2.2 NBCR-Host/NBCR-Power Cable ................................................................ 4-52
REP 11.4.1 Exposure Lamp........................................................................................... 4-57
REP 11.5.1 Front/Rear Carriage Cable ......................................................................... 4-60
REP 11.5.2 NSC/NBCR PWB ........................................................................................ 4-64
REP 11.5.3 Inv PWB...................................................................................................... 4-69
REP 11.6.1 MFC PWB................................................................................................... 4-73
REP 11.6.2 EXT PWB.................................................................................................... 4-75
12. Tray Module -2T
REP 12.1.1 Tray 3 Feeder .............................................................................................. 4-77
REP 12.1.2 Tray 4 Feeder ............................................................................................. 4-80
REP 12.3.1 Feed/Retard/Nudger Roll ............................................................................ 4-83
REP 12.6.1 2TM PWB.................................................................................................... 4-84
REP 12.7.1 Left Lower Cover......................................................................................... 4-85
13. Tray Module -ST
REP 13.1.1 Tray 2 Feeder .............................................................................................. 4-87
REP 13.3.1 Feed/Retard/Nudger Roll ............................................................................ 4-90
15. DADF/ADF
REP 15.1.1 DADF/ADF ................................................................................................... 4-91
REP 15.1.2 DADF/ADF Platen Cushion......................................................................... 4-93
REP 15.2.1 Document Tray Assembly........................................................................... 4-95
REP 15.2.2 DADF/ADF Feeder Assembly ..................................................................... 4-99
REP 15.2.3 Front Cover ................................................................................................. 4-103
REP 15.2.4 Rear Cover.................................................................................................. 4-104
REP 15.3.1 DADF/ADF Control PWB ............................................................................ 4-105
REP 15.3.2 Left Counter Balance .................................................................................. 4-107
REP 15.3.3 Right Counter Balance................................................................................ 4-109
REP 15.4.1 Top Cover ................................................................................................... 4-111
REP 15.8.1 Retard Roll .................................................................................................. 4-112
REP 15.9.1 Pickup Roll, Feed Roll................................................................................. 4-115
4. Xerographics/Development
ADJ 4.1.1 Toner Density Adjustment ............................................................................. 4-119
7. MPT
ADJ 7.1.1 MPT Size Guide Adjustment ......................................................................... 4-121
9. Electrical Components
ADJ 9.1.1 IOT Lead Edge/Side Edge Registration ........................................................ 4-123
ADJ 9.1.2 Edge Erase.................................................................................................... 4-125
ADJ 9.2.1 ESS Firmware Version Downloading ............................................................ 4-126
ADJ 9.11.1 MFC Version Upgrade................................................................................. 4-127
11. IIT
ADJ 11.1.1 Carriage Assembly Position Adjustment ..................................................... 4-129
ADJ 11.1.2 IIT Lead Edge/Side Edge Registration ........................................................ 4-131
ADJ 11.1.3 Reduce/Enlarge Adjustment........................................................................ 4-132
ADJ 11.1.4 APS Sensor ................................................................................................. 4-133
15. ADF/DADF
ADJ 15.1.1 DADF/ADF Position Adjustment.................................................................. 4-135
ADJ 15.1.2 DADF/ADF Lead Edge Registration ............................................................ 4-136
ADJ 15.1.3 DADF/ADF Side Edge Registration............................................................. 4-138
ADJ 15.1.4 Counterbalance ............................................................................................ 4-140