43085101TH Rev.1 5 /
Oki Data CONFIDENTIAL
4.2.3 Face-Up Tray........................................................................................................ 68
4.2.4 Rear cover ............................................................................................................ 69
4.2.5 LED Assy/LED Assy springs ................................................................................ 70
4.2.6 Control PCB.......................................................................................................... 71
4.2.7 Print engine controller PCB .................................................................................. 73
4.2.8 Top cover assembly ............................................................................................. 75
4.2.9 Top cover.............................................................................................................. 76
4.2.10 Controller Panel Assy ........................................................................................... 77
4.2.11 Board PRP/ Top Cover Handle ............................................................................ 78
4.2.12 Low-Voltage Power Supply / Low-Voltage Fan / Hopping Motor /
Fuser Motor .......................................................................................................... 79
4.2.13 Guide Eject Assy / Color Register Assy / Board-PRY .......................................... 80
4.2.14 Fan (Fuser)/ Belt Motor / High-Voltage Power Supply Board /
Cover-Open Switch .............................................................................................. 82
4.2.15 MPT Assy ............................................................................................................. 83
4.2.16 Feeder Unit / Board-RSF/ MPT Hopping Roller /
Frame Assy Separator / Cover Front.................................................................... 84
4.2.17 Board-PRZ Lift-Up Motor/Solenoid/Paper-End Sensor ........................................ 85
4.2.18 Feed Roller ........................................................................................................... 87
4.2.19 Shaft Eject Assy(FU) / Shaft Eject Assy(FD) / Eject Sensor ................................ 88
4.2.20 Fuser Unit ............................................................................................................. 89
4.2.21 Belt Unit ................................................................................................................ 90
4.3 Lubricating points ............................................................................................................... 91
5. MAINTENANCE MENUS ................................................................................. 108
5.1 System maintenance menu (For maintenance personnel) .............................................. 108
5.2 Maintenance utility ........................................................................................................... 111
5.3 Functions of user's maintenance menu ........................................................................... 115
5.3.1 Maintenance menu (For end users) ................................................................... 115
5.3.2 Self-diagnostic mode .......................................................................................... 116
5.3.2.1 Operator panel .................................................................................... 116
5.3.2.2 Normal self-diagnostic mode (Level 1)................................................ 116
5.3.2.2.1 Activation method for self-diagnostic mode (Level 1) ......... 120
5.3.2.2.2 Deactivation of self-diagnostic mode .................................. 120
5.3.2.3 Switch scan test .................................................................................. 120
5.3.2.4 Motor clutch test .................................................................................. 123
5.3.2.5 Test print ............................................................................................. 125
5.3.2.6 Color registration adjustment test ....................................................... 130
5.3.2.7 Print density adjustment test ............................................................... 131
5.3.2.8 Indication of consumable part counters .............................................. 133
5.3.2.9 Indication of printed page counters ..................................................... 134
5.3.2.10 Factory/Shipping switching .................................................................. 134
5.3.2.11 Setup of self-diagnostic function.......................................................... 135
5.3.2.12 Indication of LED head serial number ................................................. 136
5.3.2.13 Details of panel indications .................................................................. 137
