September 2005
4-1
CC C123/128,WC M123/128,WC Pro123/128,CC 133,WC 133,WC Pro133
Repairs/Adjustments
1st Version
4 Repairs and Adjustments
Repairs
 1. Drives
REP 1.1.1  Main Drive Assembly .................................................................................... 4-3
REP 1.1.2  Takeaway Motor Assembly........................................................................... 4-6
 2. Paper Transportation
REP 2.1.1  Feeder 1 Assembly....................................................................................... 4-9
REP 2.1.2  Feeder 2 Assembly....................................................................................... 4-11
REP 2.3.1  Tray Feed/Nudger/Retard Roll...................................................................... 4-13
REP 2.4.1  Registration Unit ........................................................................................... 4-14
REP 2.5.1  Takeaway Roll .............................................................................................. 4-16
REP 2.6.1  BTR Roll........................................................................................................ 4-19
REP 2.6.2  L/H Upper Cover Unit.................................................................................... 4-20
 3. ROS
REP 3.1.1  ROS Unit....................................................................................................... 4-21
 4. Xerographics/Development
REP 4.1.1  Xero/Developer Cartridge ............................................................................. 4-25
REP 4.1.2  Toner Cartridge............................................................................................. 4-26
REP 4.2.1  Dispense Motor............................................................................................. 4-27
 5. Fuser
  1  Fuser Unit ..................................................................................................... 4-31
   
  1  Exit2 + OCT2 ................................................................................................ 4-33
   
  1  MPT Assembly.............................................................................................. 4-35
  1  MPT Feed Roll/Retard Pad........................................................................... 4-37
    rical Components
  1  MCU PWB..................................................................................................... 4-39
  2  MCU PWB EPROM ...................................................................................... 4-41
  1  ESS PWB...................................................................................................... 4-42
  2  ESS PWB EPROM ....................................................................................... 4-44
    ers
  .1 Top Cover Assembly.................................................................................... 4-45
  2.1  Rear Lower Cover....................................................................................... 4-47
   
  .1  Platen Cushion............................................................................................ 4-49
  .2  Control Panel Assembly.............................................................................. 4-50
  3.1  Platen Glass................................................................................................ 4-51
  3.2  IIT/IPS PWB................................................................................................ 4-53
  .1  Lens Kit Assembly ...................................................................................... 4-55
  5.1  Carriage Cable............................................................................................ 4-60
REP 11.5.2  Carriage Motor Assembly ........................................................................... 4-66
REP 11.6.1  Exposure Lamp........................................................................................... 4-68
REP 11.6.2  Lamp Wire Harness .................................................................................... 4-69
 12. Tray Module - 2T
REP 12.1.1  Tray 3 Feeder ............................................................................................. 4-73
REP 12.1.2  Tray 4 Feeder ............................................................................................. 4-76
REP 12.3.1  Feed/Retard/Nudger Roll............................................................................ 4-80
REP 12.6.1  2TM PWB.................................................................................................... 4-81
 13. Tray Module - TT
REP 13.1.1  Tray 3 Assembly ......................................................................................... 4-83
REP 13.1.2  Tray 4 Assembly ......................................................................................... 4-84
REP 13.3.1  Front/Rear Tray Cable ................................................................................ 4-85
REP 13.4.1  Tray 4 Feeder ............................................................................................. 4-87
REP 13.5.1  Tray 3 Feeder ............................................................................................. 4-90
REP 13.6.1  Feed/Retard/Nudger Roll............................................................................ 4-92
REP 13.8.1  TTM PWB ................................................................................................... 4-94
 15. DADF
REP 15.1.1  DADF .......................................................................................................... 4-97
REP 15.1.2  DADF Platen Cushion................................................................................. 4-99
REP 15.2.1  DADF Document Tray................................................................................. 4-101
REP 15.2.2  DADF Feeder Assembly ............................................................................. 4-103
REP 15.2.3  DADF Front Cover ...................................................................................... 4-105
REP 15.2.4  DADF Rear Cover....................................................................................... 4-106
REP 15.3.1  DADF PWB................................................................................................. 4-108
REP 15.3.2  Left Counter Balance .................................................................................. 4-109
REP 15.3.3  Right Counter Balance................................................................................ 4-110
REP 15.4.1  Retard Roll.................................................................................................. 4-112
REP 15.4.2  Top Cover Assembly................................................................................... 4-114
REP 15.6.1  Nudger Roll, Feed Roll................................................................................ 4-119
REP 15.8.1  Registration Roll.......................................................................................... 4-123
 16. Finisher
REP 16.1.1  H-Transport Assembly ................................................................................ 4-127
REP 16.1.2  Finisher Assembly....................................................................................... 4-128
REP 16.3.1  H-Transport Belt.......................................................................................... 4-132
REP 16.4.1  Front Cover Assembly ................................................................................ 4-135
REP 16.4.2  Rear Cover.................................................................................................. 4-136
REP 16.5.1  Stack Height Sensor Assembly................................................................... 4-137
REP 16.5.2  Eject Roll Assembly .................................................................................... 4-139
REP 16.6.1  Decurler Roll ............................................................................................... 4-145
REP 16.6.2  Finisher Drive Motor.................................................................................... 4-147
REP 16.7.1  Belt.............................................................................................................. 4-148
REP 16.8.1  Rail.............................................................................................................. 4-152
REP 16.8.2  Staple Assembly ......................................................................................... 4-157
REP 16.9.1  Compiler Tray Assembly............................................................................. 4-159