43827101TH Rev.2 5 /
Oki Data CONFIDENTIAL
4.2.4 Rear cover ...............................................................................................................73
4.2.5 LED Assy/LED Assy springs.................................................................................... 74
4.2.6 CU PCB ................................................................................................................. 75
4.2.7 Print engine controller PCB .................................................................................... 77
4.2.8 Top cover assembly ............................................................................................... 79
4.2.9 Top cover................................................................................................................ 80
4.2.10 Controller Panel Assy ............................................................................................. 81
4.2.11 Operator panel PCB/ Top Cover Handle ............................................................... 82
4.2.12 Low-Voltage Power Supply / Low-Voltage Fan /
Hopping Motor / Fuser Motor.................................................................................. 83
4.2.13 Guide Eject Assy / Color Register Assy / Junction PCB........................................ 84
4.2.14 Fan (Fuser)/ Belt Motor / High-Voltage Power Supply Board /
Cover-Open Switch ............................................................................................... 86
4.2.15 MPT Assy .............................................................................................................. 87
4.2.16 Feeder Unit / Front sensor PCB/ MPT Hopping Roller /
Frame Assy Separator / Cover Front...................................................................... 88
4.2.17 Toner sensor PCB Lift-Up Motor/Solenoid/Paper-End Sensor............................... 89
4.2.18 Feed Roller ............................................................................................................. 91
4.2.19 Shaft Eject Assy(FU) / Shaft Eject Assy(FD) / Eject Sensor .................................. 92
4.2.20 Fuser Unit ............................................................................................................... 93
4.2.21 Belt Unit .................................................................................................................. 94
4.3 Lubricating points .................................................................................................................. 95
5. MAINTENANCE MENUS................................................................................. 113
5.1 System maintenance menu (For maintenance personnel) ................................................. 113
5.2 Maintenance utility .............................................................................................................. 116
5.3 Functions of user's maintenance menu .............................................................................. 120
5.3.1 Maintenance menu (For end users)....................................................................... 120
5.3.2 Self-diagnostic mode ............................................................................................. 122
5.3.2.1 Operator panel....................................................................................... 122
5.3.2.2 Normal self-diagnostic mode (Level 1) .................................................. 125
5.3.2.2.1 Activation method for self-diagnostic mode (Level 1) ......... 126
5.3.2.2.2 Deactivation of self-diagnostic mode .................................. 126
5.3.2.3 Switch scan test..................................................................................... 126
5.3.2.4 Motor clutch test .................................................................................... 129
5.3.2.5 Test print................................................................................................ 131
5.3.2.6 Color registration adjustment test.......................................................... 136
5.3.2.7 Print density adjustment test ................................................................. 137
5.3.2.8 Indication of consumable part counters................................................. 139
5.3.2.9 Indication of printed page counters ....................................................... 140
5.3.2.10 Factory/Shipping switching.................................................................. 140
5.3.2.11 Setup of self-diagnostic function.......................................................... 141
5.3.2.12 Indication of LED head serial number ................................................. 142
5.3.2.13 Details of panel indications.................................................................. 143
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