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