43984801TH Rev.1/
Oki Data CONFIDENTIAL Contents
1. CONFIGURATION........................................................................................................7
1.1 System Configuration ............................................................................................................................7
1.2 Printer Configuration ..............................................................................................................................8
1.3 Optional Configuration..........................................................................................................................11
1.4 Specification.........................................................................................................................................12
1.5 Printing display.....................................................................................................................................15
1.5.1 VCCI label, Serial No.label............................................................................................................15
1.5.2 Warning label..................................................................................................................................15
1.5.3 Warning / Caution display...............................................................................................................16
2. Operational explanation .............................................................................................17
2.1 Electrophotographic process mechanism ............................................................................................17
2.2 Printing process....................................................................................................................................24
2.3 Toner entrance detection......................................................................................................................28
3. Parts replacement......................................................................................................30
3.1 Preparation for parts replacement........................................................................................................30
3.2 Parts layout...........................................................................................................................................32
3.3 Parts replacement method ...................................................................................................................37
3.3.1 LED Head.......................................................................................................................................38
3.3.2 Roller-Transfer................................................................................................................................39
3.3.3 Cover-Side-R..................................................................................................................................40
3.3.4 Cover-Side-L ..................................................................................................................................41
3.3.5 CU Board........................................................................................................................................42
3.3.6 Motor-DC-Main ..............................................................................................................................43
3.3.7 OPE Cover-Assy ............................................................................................................................44
3.3.8 Ope-Board......................................................................................................................................45
3.3.9 MPT-Assy (In case of B410dn, it is Manual-Assy)..........................................................................46
3.3.10 Front-Guide-Assy .........................................................................................................................47
3.3.11 Roller-Assy-Feed..........................................................................................................................48
3.3.12 Guide-Paper-Duplex.....................................................................................................................49
3.3.13 Stacker-Cover-Assy......................................................................................................................50
3.3.14 Fuser-Assy...................................................................................................................................51
3.3.15 Rear-Cover-Assy..........................................................................................................................53
3.3.16 Frame-Assy-Lower .......................................................................................................................54
3.3.17 High voltage / Low voltage power board.......................................................................................56
3.3.18 Plate-Bracket-Motor......................................................................................................................57
3.3.19 Roller-Back up..............................................................................................................................58
3.3.20 Roller-Resist.................................................................................................................................59
3.3.21 Lever-In-Sensor............................................................................................................................60
3.2.22 Lever-Eject-Sensor/Photo-Interrupter...........................................................................................61
3.3.23 Lever-End/Lever-Duplex/Lever-Cassette/Gear-Assy-Clatch ........................................................62
3.3.24 Paper feeding roller (Roller-Pick-Up,Roller-Feed-NOW,Roller-Assy-MPT) ..................................64
Contents
