02/2000
DocuPrint N2025/N2825
Repair-Adjustment
Initial Issue
4 Repair-Adjustment
Introduction ..................................................................................................................... 4-3
Covers
REP 1.1 Left Side Cover................................................................................................. 4-5
REP 1.2 Right Side Cover............................................................................................... 4-5
REP 1.3 Top Cover Assembly ........................................................................................ 4-6
REP 1.4 Front Cover....................................................................................................... 4-7
REP 1.5 Lower Left Cover .............................................................................................. 4-7
REP 1.6 HVPS Cover ..................................................................................................... 4-8
REP 1.7 Lower Rear Cover............................................................................................. 4-8
REP 1.8 MBF Gear Cover............................................................................................... 4-9
REP 1.9 Rear Cover ....................................................................................................... 4-9
Paper Feed
REP 2.1 MBF Assembly.................................................................................................. 4-11
REP 2.2 MBF Feed Roll.................................................................................................. 4-12
REP 2.3 Tray 1 Turn Roll Clutch Assembly .................................................................... 4-12
REP 2.4 Tray 1 Turn Roll Assembly ............................................................................... 4-13
REP 2.5 MBF Retard Holder Assembly.......................................................................... 4-13
REP 2.6 Tray 1 No Paper Sensor Assembly .................................................................. 4-14
REP 2.7 MBF No Paper Sensor Assembly..................................................................... 4-15
REP 2.8 MBF Feed Solenoid.......................................................................................... 4-16
REP 2.9 Tray 1 Feed Solenoid ....................................................................................... 4-16
REP 2.10 Tray 1 Feed Roll ............................................................................................. 4-17
REP 2.11 Tray 1 Retard Holder Assembly...................................................................... 4-17
Paper Transportation
REP 3.1 Retard Chute Assembly.................................................................................... 4-19
REP 3.2 Rear Chute Assembly....................................................................................... 4-19
REP 3.3 Lower Turn Roll Assembly................................................................................ 4-20
REP 3.4 Tray 1 Low Paper Sensor................................................................................. 4-20
REP 3.5 Tray 1 Right Guide Assembly........................................................................... 4-21
REP 3.6 Tray 1 Left Guide Assembly ............................................................................. 4-22
REP 3.7 MBF Assembly Position.................................................................................... 4-23
Registration
REP 4.1 Paper Transport Assembly............................................................................... 4-25
REP 4.2 Registration Actuator........................................................................................ 4-26
REP 4.3 Registration Clutch ........................................................................................... 4-27
REP 4.4 Metal Registration Roll...................................................................................... 4-27
REP 4.5 Rubber Registration Roll................................................................................... 4-28
REP 4.6 Registration Sensor.......................................................................................... 4-28
Exit Assembly and Fuser
REP 5.1 Fuser Assembly................................................................................................ 4-29
REP 5.2 Stack Full Sensor.............................................................................................. 4-29
REP 5.3 Stack Full Actuator............................................................................................ 4-30
REP 5.4 Exit Gate Chute ................................................................................................ 4-31
REP 5.5 Exit Roll Assembly............................................................................................ 4-32
Drive Assembly
REP 6.1 Main Gear Drive Assembly............................................................................... 4-35
REP 6.2 Main Motor Assembly ....................................................................................... 4-36
Xerographics
REP 7.1 Laser Assembly ................................................................................................ 4-37
REP 7.2 Right Print Cartridge Guide Assembly.............................................................. 4-38
REP 7.3 Toner Sensor Assembly.................................................................................... 4-39
REP 7.4 Print Cartridge Sensor Assembly...................................................................... 4-39
REP 7.5 Top Cover Interlock Switch............................................................................... 4-40
REP 7.6 Left Print Cartridge Guide Assembly................................................................. 4-41
REP 7.7 BTR Assembly.................................................................................................. 4-41
Electronics
REP 8.1 System Controller PWB.................................................................................... 4-43
REP 8.2 HVPS PWB....................................................................................................... 4-44
REP 8.3 Duplex Interface PWB....................................................................................... 4-45
REP 8.4 Main Fan........................................................................................................... 4-45
REP 8.5 Print Engine Controller PWB............................................................................. 4-46
REP 8.6 LVPS Assembly................................................................................................ 4-47
REP 8.7 LVPS FAN......................................................................................................... 4-47
REP 8.8 AC Input Assembly........................................................................................... 4-48
REP 8.9 Control Panel +5 VDC Power Supply ............................................................... 4-48
Duplex Assembly
REP 9.1 Duplex Assembly.............................................................................................. 4-51
REP 9.2 Exit Motor Assembly......................................................................................... 4-51
REP 9.3 Drive Belt.......................................................................................................... 4-52
REP 9.4 Upper Roll Assembly ........................................................................................ 4-52
REP 9.5 Lower Roll Assembly ........................................................................................ 4-53
REP 9.6 Sensor Assembly.............................................................................................. 4-53
REP 9.7 Duplex PWB...................................................................................................... 4-54
REP 9.8 Drive Motor Assembly....................................................................................... 4-54
Offsetting Catch Tray (OCT)
REP 10.1 Offset Catch Tray (OCT)................................................................................. 4-55
REP 10.2 Top Cover....................................................................................................... 4-55
REP 10.3 Rear Cover Assembly..................................................................................... 4-56
REP 10.4 Front Cover..................................................................................................... 4-56
REP 10.5 Exit Gate Solenoid.......................................................................................... 4-57
REP 10.6 Eliminator Assembly ....................................................................................... 4-57
REP 10.7 Stack Full Sensor............................................................................................ 4-58
REP 10.8 Stack Full Sensor Actuator ............................................................................. 4-58
REP 10.9 Offset Motor Assembly.................................................................................... 4-59
REP 10.10 Drive Motor Assembly................................................................................... 4-59
REP 10.11 Offset Assembly............................................................................................ 4-60
REP 10.12 Offset Roller.................................................................................................. 4-61
REP 10.13 Rear Cover Interlock Switch ......................................................................... 4-61
REP 10.14 OCT PWB..................................................................................................... 4-62
