06/2014
4-1
WC 5022/5024
Repairs and Asdjustments
Version 1.0
4 Repairs and Adjustments
4.1 Introduction
4.1 Introduction .............................................................................................................. 4-3
1. IIT/UI
REP 1.2.1 IIT Top Cover................................................................................................ 4-5
REP 1.3.1 IIT Carriage................................................................................................... 4-5
REP 1.3.2 IIT Carriage Belt............................................................................................ 4-7
REP 1.4.1 Carriage Motor.............................................................................................. 4-8
REP 1.5.1 LED Lamp PWB............................................................................................ 4-10
REP 1.10.1 LCD Display................................................................................................ 4-12
2. ROS
REP 2.1.1 ROS Assembly ............................................................................................. 4-17
3. Drive
REP 3.1.1 Main Drive Motor .......................................................................................... 4-19
REP 3.1.2 Main Drive Housing ...................................................................................... 4-19
4. NOHAD
REP 4.1.1 NOHAD Fan.................................................................................................. 4-21
6. Transfer
REP 6.1.1 BTR Roll ....................................................................................................... 4-23
7. Fusing Unit
REP 7.1.1 Fusing Unit.................................................................................................... 4-25
8. Xero./Deve.
REP 8.1.1 Drum Cartridge ............................................................................................. 4-27
REP 8.2.1 Cartridge Guide ............................................................................................ 4-28
REP 8.2.2 Dispense Drive ............................................................................................. 4-29
9. Feeder,Tray (Tray 1)
REP 9.1.1 Tray 1 Feed Clutch ....................................................................................... 4-31
REP 9.1.2 Tray 1............................................................................................................ 4-32
REP 9.1.3 Tray 1 Size Sensor ....................................................................................... 4-33
REP 9.2.1 Tray 1 Feed Roll and Tray 1 Retard Pad...................................................... 4-33
10. One Tray Module (Tray 2)
REP 10.1.1 Tray 2 Feeder ............................................................................................. 4-35
REP 10.3.1 Tray 2 Feed/Retard/Nudger Roll................................................................. 4-36
REP 10.6.1 STM PWB................................................................................................... 4-37
REP 10.6.2 STM Takeaway Motor................................................................................. 4-39
11. Two Tray Module
REP 11.1.1 Tray 3 Feeder ............................................................................................. 4-41
REP 11.1.2 Tray 4 Feeder ............................................................................................. 4-42
REP 11.3.1 Tray 3 Feed/Retard/Nudger Roll................................................................. 4-44
REP 11.3.2 Tray 4 Feed/Retard/Nudger Roll................................................................. 4-44
REP 11.6.1 2TM PWB ................................................................................................... 4-45
REP 11.6.2 2TM Takeaway Motor................................................................................. 4-46
13. MSI
REP 13.1.1 MSI.............................................................................................................. 4-47
REP 13.3.1 MSI Nudger/Feed Roll ................................................................................ 4-48
REP 13.3.2 MSI Retard Pad .......................................................................................... 4-51
14. L/H Cover
REP 14.1.1 L/H Cover.................................................................................................... 4-53
15. Registration
REP 15.1.1 Registration Chute ...................................................................................... 4-55
REP 15.1.2 Registration Roll.......................................................................................... 4-57
17. Exit
REP 17.1.1 Exit Cover ................................................................................................... 4-59
REP 17.1.2 Exit Roll....................................................................................................... 4-60
18. Electrical
REP 18.1.2 HVPS.......................................................................................................... 4-61
REP 18.1.3 LVPS........................................................................................................... 4-61
REP 18.3.1 Net I/F PWB................................................................................................ 4-63
REP 18.3.2 ESS/MCU PWB .......................................................................................... 4-64
19. Cover
REP 19.1.1 Front Cover................................................................................................. 4-65
REP 19.1.2 Top Cover ................................................................................................... 4-66
REP 19.4.1 Rear Cover.................................................................................................. 4-68
56. DADF
REP 56.1.1 DADF.......................................................................................................... 4-71
REP 56.1.2 DADF Platen Cushion................................................................................. 4-72
REP 56.2.1 DADF Front Cover...................................................................................... 4-73
REP 56.2.2 DADF Rear Cover....................................................................................... 4-74
REP 56.2.3 DADF PWB................................................................................................. 4-75
REP 56.2.4 Upper Feeder.............................................................................................. 4-76
REP 56.2.5 DADF Feeder Assembly ............................................................................. 4-77
REP 56.3.1 Left Counter Balance.................................................................................. 4-79
REP 56.3.2 Right Counter Balance................................................................................ 4-79
REP 56.5.1 DADF Feed/Nudger Roll............................................................................. 4-80
REP 56.6.1 Harness Guide and Wire Harness .............................................................. 4-82
REP 56.6.2 DADF Feed Motor....................................................................................... 4-84
REP 56.7.1 DADF Drive Belt.......................................................................................... 4-85
REP 56.9.1 Document Tray ........................................................................................... 4-87
REP 56.9.2 Retard Chute............................................................................................... 4-88
REP 56.9.3 Invert Chute ................................................................................................ 4-89
REP 56.10.1 DADF Takeaway Roll................................................................................ 4-90
REP 56.10.2 Sensor Bracket ......................................................................................... 4-93
REP 56.13.1 DADF Retard Pad..................................................................................... 4-96