Table Of Contents - Oki C9400 Maintenance Manual

1. SPECIFICATIONS ............................................................................................ 6
1.1 Basic System Configuration ............................................................................................. 6
1.2 Printer Engine Specifications ........................................................................................... 7
1.3 Option Configuration ........................................................................................................ 8
1.4 Specifications ................................................................................................................... 9
2. PARTS REPLACEMENT ................................................................................ 11
2.1 Precautions in Replacing Parts ...................................................................................... 11
2.2 Parts Layout ................................................................................................................... 13
2.3 Replacing Parts .............................................................................................................. 20
2.3.1 Top cover .......................................................................................................... 21
2.3.2 LED Assy/ LED Assy spring ............................................................................. 22
2.3.3 Top cover unit ................................................................................................... 23
2.3.4 Control panel Assy/ Control panel bezel/ LED control PWB/ Toner sensor/
Stack full sensor/ Control panel tape harness/ Eject roller ............................... 24
2.3.5 Top cover handle/ Tope cover latch/ Top cover latch spring ............................ 25
2.3.6 Eject guide Assy ............................................................................................... 26
2.3.7 Cassette Assy/ Blind cover/ Side cover R Assy ............................................... 27
2.3.8 Feed rollers ....................................................................................................... 28
2.3.9 Left side cover .................................................................................................. 29
2.3.10 Face-up tray ..................................................................................................... 30
2.3.11 Front cover ....................................................................................................... 31
2.3.12 Rear cover ........................................................................................................ 32
2.3.13 Multipurpose tray Assy/ Multipurpose tray cover Assy/ Links/
Multipurpose tray top cover/ Multipurpose tray drive gear ................................ 33
2.3.14 Drum contact Assys .......................................................................................... 34
2.3.15 Registration roller Assy (A)/ Registration drive gear (A) ................................... 35
2.3.16 Registration roller Assy (B) ............................................................................... 36
2.3.17 Registration clutch, Registration motor Assy .................................................... 37
2.3.18 Cooling fan ....................................................................................................... 38
2.3.19 Color registration sensor Assy .......................................................................... 39
2.3.20 Duplex guide Assy ............................................................................................ 40
2.3.21 Electrical chassis/ Electrical chassis cooling fan .............................................. 41
2.3.22 Printer engine controller PWB .......................................................................... 42
2.3.23 Printer unit chassis ........................................................................................... 43
2.3.24 Entrance cassette sensor actuator ................................................................... 44
2.3.25 Entrance sensor PWB ...................................................................................... 45
2.3.26 Entrance MT sensor actuator and Entrance belt sensor actuator .................... 46
2.3.27 Main motor fan/ Fuser eject roller ..................................................................... 47
2.3.28 Eject sensor Assy ............................................................................................. 48
2.3.29 Fuser latching handle (L) .................................................................................. 49
2.3.30 Belt motor Assy ................................................................................................ 50
2.3.31 Fuser latching handle (R) ................................................................................. 51
2.3.32 Main motor Assy ............................................................................................... 52
2.3.33 Contact Assy/ Side plate Assy .......................................................................... 53
2.3.34 Low voltage power supply ................................................................................ 54
2.3.35 High voltage power supply ............................................................................... 55
2.3.36 Main feed Assy ................................................................................................. 56
2.3.37 Fuser unit .......................................................................................................... 57
2.3.38 Belt unit ............................................................................................................. 58
2.3.39 Duplex unit ........................................................................................................ 59
2.3.40 CU Assy ............................................................................................................ 60
41388601TH Rev.6
CONTENTS
Oki Data CONFIDENTIAL
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