
43170003TH Rev.2 5 /
Oki Data CONFIDENTIAL
4.2.12 Board PRP.............................................................................................................84
4.2.13 Shaft Assy.-eject (FU) and shaft Assy.-eject (FD).................................................85
4.2.14 Guide Assy.-eject-lower, Assy.-color-regist and relay board (P6Y).......................86
4.2.15 Fan (fuser), high-voltage power supply board, contact Assy.
and fuser sensor Assy. ..........................................................................................88
4.2.16 MPT Assy., MPT hopping roller, separator-frame Assy. and roller Assy.-pick-up..89
4.2.17 Registration roller Assy..........................................................................................90
4.2.18 Gear box, registration roller, hopping roller Assy. and solenoid............................91
4.2.19 Holder Assy.-switch, low-voltage power supply fan and low-voltage power supply92
4.2.20 Belt motor Assy. and fuser motor Assy..................................................................93
4.2.21 Side Assy.-R and side Assy.-L...............................................................................94
4.2.22 Paper feed roller (Tray1)........................................................................................95
4.2.23 Paper feed roller (Tray2 (Optional)).......................................................................97
4.2.24 Paper feed roller (Multi-purpose Tray).................................................................100
4.3 Lubricating points..............................................................................................................101
5. MAIntEnAnCE MEnUs..................................................................................129
5.1 System maintenance menu (For maintenance personnel)................................................129
5.2 Maintenance utility ............................................................................................................133
5.3 Functions of user's maintenance menu ............................................................................136
5.3.1 Maintenance menu (For end users) ....................................................................136
5.3.2 Self-diagnostic mode...........................................................................................137
5.3.2.1 Operator panel......................................................................................137
5.3.2.2 Normal self-diagnostic mode (Level 1).................................................140
5.3.2.2.1 Activation method for self-diagnostic mode (Level 1) ......141
5.3.2.2.2 Deactivation of self-diagnostic mode................................141
5.3.2.3 Switch scan test ...................................................................................141
5.3.2.4 Motor clutch test...................................................................................144
5.3.2.5 Test print...............................................................................................146
5.3.2.6 Color registration adjustment test ........................................................151
5.3.2.7 Print density adjustment test................................................................152
5.3.2.8 Indication of consumable part counters ...............................................154
5.3.2.9 Indication of printed page counters......................................................155
5.3.2.10 Factory/Shipping switching ..................................................................155
5.3.2.11 Setup of self-diagnostic function...........................................................156
5.3.2.12 Indication of LED head serial number...................................................157
5.3.2.13 Details of panel indications...................................................................158
5.3.3 Various types of print on the individual printer equipped with controller .............178
5.3.4 Functions of keys when depressed at power-on .................................................178
5.4 Setup after replacement of parts.......................................................................................179
5.4.1 Precautions on the replacement of engine control PCB......................................179
5.4.2 Setup of EEPROM after replacement of CU PCB ...............................................182
5.4.2.2 Setup of CU Serial Number..................................................................182
5.4.2.1 Replacement of EEPROM after replacement of PDL CU PCB(C8800)182
5.4.3 Setup of destination.............................................................................................183
5.5 About the manual setup of Print density adjustment.........................................................184
6. CLEAnInG........................................................................................................185
6.1 Cleaning............................................................................................................................185
6.2 Cleaning of LED lens array ...............................................................................................185
6.3 Cleaning of pickup rollers..................................................................................................187