09/03
4-1
DC 3535/2240/1632, WC M24
Repairs and Adjustments
Initial issue
4 Repairs &Adjustments
REPAIRS
Electrical
REP 1.1 LVPS Bracket ................................................................................................... 4-3
REP 1.2 MCU PWB ........................................................................................................ 4-4
REP 1.4 3.3 V LVPS or 5 V LVPS .................................................................................. 4-5
REP 1.5 24 V LVPS ........................................................................................................ 4-5
REP 1.6 High Voltage Power Supply Chassis ................................................................ 4-6
REP 1.7 DEV/BTR2/DTS HVPS; BCR HVPS................................................................. 4-6
REP 1.8 I/F (Interface) PWB........................................................................................... 4-7
REP 1.9 24 V LVPS Chassis .......................................................................................... 4-8
REP 1.10 BTR1 HVPS.................................................................................................... 4-8
REP 1.11 AC Drive PWB ................................................................................................ 4-9
REP 1.12 ESS PWB ....................................................................................................... 4-10
REP 1.13 ESS NVM PWB .............................................................................................. 4-13
REP 1.14 PS-1 ROM, PS-2 ROM................................................................................... 4-14
REP 1.15 MCU NVM PWB ............................................................................................. 4-15
REP 1.17 VSEL PWB ..................................................................................................... 4-16
REP 1.18 Fax Module..................................................................................................... 4-17
REP 1.19 One-Touch Panel............................................................................................ 4-18
Main Drives
REP 4.1 Main Drive Motor Assembly.............................................................................. 4-19
REP 4.2 IBT Motor Assembly ......................................................................................... 4-20
REP 4.3 Developer Drive Motor Assembly ..................................................................... 4-20
REP 4.4 Drum Motor Assembly ...................................................................................... 4-21
Document Handler
REP 5.1 DADF................................................................................................................ 4-23
REP 5.2 Registration Gate Solenoid............................................................................... 4-24
REP 5.3 Left/Right Counterbalance................................................................................ 4-25
REP 5.4 DADF Control PWB .......................................................................................... 4-26
REP 5.5 Feed Motor Assembly....................................................................................... 4-26
REP 5.6 Nudger Roll....................................................................................................... 4-27
REP 5.7 Feed Roll Assembly.......................................................................................... 4-28
REP 5.8 Lower Chute Assembly..................................................................................... 4-29
REP 5.9 Retard Roll........................................................................................................ 4-29
REP 5.10 Set Gate Solenoid Assembly.......................................................................... 4-30
REP 5.11 Registration Sensor ........................................................................................ 4-32
REP 5.12 Size Sensors 1/2 (Rear/Front)........................................................................ 4-33
REP 5.13 DADF Belt Motor Assembly............................................................................ 4-33
REP 5.14 Duplex Sensor ................................................................................................ 4-34
REP 5.15 Registration Pinch Roll ................................................................................... 4-35
REP 5.16 Exit Motor Assembly....................................................................................... 4-37
REP 5.17 Document Transport....................................................................................... 4-37
REP 5.18 Rear Cover ..................................................................................................... 4-38
REP 5.19 Platen Belt ...................................................................................................... 4-39
Imaging
REP 6.1 ROS .................................................................................................................. 4-41
REP 6.2 Platen Glass...................................................................................................... 4-42
REP 6.3 IIT Top Cover.................................................................................................... 4-43
REP 6.4 Lens Kit............................................................................................................. 4-43
REP 6.5 IIT/IPS PWB...................................................................................................... 4-44
REP 6.6 UI PWB............................................................................................................. 4-45
REP 6.11 Carriage Cables.............................................................................................. 4-46
REP 6.12 Carriage Motor................................................................................................ 4-51
REP 6.13 Exposure Lamp............................................................................................... 4-52
REP 6.14 Lamp Wire Harness........................................................................................ 4-53
Paper Trays
REP 7.1 Tray 5................................................................................................................ 4-55
REP 7.2 Tray 5 Feed Roll ............................................................................................... 4-56
REP 7.3 Tray 1 Feeder ................................................................................................... 4-57
REP 7.4 Tray 1 Feed/Lift Motor....................................................................................... 4-57
REP 7.5 Tray 1 Paper Size Sensor................................................................................. 4-58
REP 7.6 Tray 3 (TTM)..................................................................................................... 4-58
REP 7.7 Tray 4 (TTM)..................................................................................................... 4-59
REP 7.8 Tray 1................................................................................................................ 4-59
REP 7.9 Tray 2 (TTM)..................................................................................................... 4-60
REP 7.10 Tray 2 Feeder (TTM)....................................................................................... 4-61
REP 7.11 Tray 3 Feeder (TTM)....................................................................................... 4-62
REP 7.12 Tray 4 Feeder (TTM)....................................................................................... 4-63
REP 7.13 Tray 2 (3TM)................................................................................................... 4-65
REP 7.14 Tray 3 (3TM)................................................................................................... 4-65
REP 7.15 Tray 4 (3TM)................................................................................................... 4-66
REP 7.16 Tray 2 Feeder (3TM)....................................................................................... 4-66
REP 7.17 Tray 3 Feeder (3TM)....................................................................................... 4-67
REP 7.18 Tray 4 Feeder (3TM)....................................................................................... 4-67
REP 7.19 Tray Module PWB........................................................................................... 4-68
Paper Feed and Registration
REP 8.1 Left Cover Assembly......................................................................................... 4-69
REP 8.2 Duplex Chute.................................................................................................... 4-71
REP 8.3 Duplex Transport Assembly.............................................................................. 4-72
REP 8.5 Inverter Transport ............................................................................................. 4-72
REP 8.6 Registration Transport Assembly...................................................................... 4-73
REP 8.7 Exit Transport Assembly................................................................................... 4-74
Xerographic
REP 9.1 Drum Cartridge ................................................................................................. 4-75
REP 9.2 ROS Shutter Motor ........................................................................................... 4-75
REP 9.3 Waste Toner Cartridge Cover........................................................................... 4-76
REP 9.4 Waste Toner Cartridge...................................................................................... 4-76
REP 9.5 Full Toner Sensor ............................................................................................. 4-77
REP 9.6 Dispenser Cover ............................................................................................... 4-77
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