44952001TH Rev.2
v
Oki Data CONFIDENTIAL
CONTENTS
4. REPLACEMENT OF PARTS ..................................................4-1
4.1 Notes on replacement of parts .........................................................................4-2
4.2 Part replacement procedure ............................................................................4-4
4.2.1 Belt unit ......................................................................................................4-4
4.2.2 Fuser unit ...................................................................................................4-5
4.2.3 Left side cover ............................................................................................4-5
4.2.4 Right side cover ..........................................................................................4-6
4.2.5 CU/PU board and low-voltage power supply .............................................. 4-7
4.2.6 Front cover ................................................................................................4-9
4.2.7 Scanner unit .............................................................................................4-11
4.2.7.1 Tray-assy-document / Cover-ADF-R-assy ........................................4-12
4.2.7.2 ADF-unit ...........................................................................................4-13
4.2.7.3 Sheet-document / Paper-weight-assy / Spring-PW-ADF ..................4-14
4.2.7.4 Hinge-assy-L / Hinge-assy-R ...........................................................4-15
4.2.7.5 Cover-ADF-F / Guide-assy-exit-sub / ADF-assy / ADF board ..........4-16
4.2.7.6 Cover-assy-top-ADF / Guide-assy / Roller / Motor / Clutch /
Solenoid ........................................................................................4-18
4.2.7.7 Guide-A-sub / Frame-assy-separator / Spring-separator /
Rubber-friction .................................................................................4-19
4.2.7.8 Cable (ADF-Rev SNS) ......................................................................4-19
4.2.7.9 Cable (ADF-Reg SNS) .....................................................................4-20
4.2.7.10 Frame-assy-OP ................................................................................4-20
4.2.7.11 Frame-OP-panel / OPE board (MC562/MC562dw) .......................... 4-21
4.2.7.12 Frame-OP-panel / OPE board
(MC342/MC362/MC342dw/MC362w) ..............................................4-22
4.2.7.13 Frame-OP-panel / OPE board (MC332/MC352) ..............................4-23
4.2.7.14 LCD-assy ..........................................................................................4-24
4.2.7.15 Frame-assy-FB ................................................................................. 4-25
4.2.7.16 How to remove Battery (SU Board) .................................................. 4-27
4.2.7.17 Frame-assy-hopping-ADF ................................................................4-28
4.2.7.18 Setting of SW1 and SW2 on MHH board (SU Board) ......................4-29
4.2.8 Face-up tray .............................................................................................4-30
4.2.9 Rear cover ................................................................................................4-30
4.2.10 LED assembly. and LED assembly springs ..............................................4-31
4.2.11 Image drum fan and ZHJ board ...............................................................4-31
4.2.12 Top cover assembly .................................................................................. 4-32
4.2.13 Top cover and LED head cable assembly ................................................4-32
4.2.14 MPT assembly ..........................................................................................4-33
4.2.15 Front fan, hopping motor, rear fan, image drum motor and
cover-open switch .....................................................................................4-34
4.2.16 High-voltage power supply board ............................................................. 4-35
4.2.17Guide-ejectionassembly,fuserconnectorassemblyand
color-registration assembly ......................................................................4-36
4.2.18 Frame-MPT assembly and feeder assembly ............................................4-37
4.2.19 Side-L assembly, side-R assembly and base assembly ...........................4-38
4.2.20 Feed rollers ..............................................................................................4-39
4.3 Locations to lubricate ..................................................................................... 4-40
4.3.1 ADF ..........................................................................................................4-41
4.3.2 Printer .......................................................................................................4-48
5. MAINTENANCE MENUS .......................................................5-1
5.1 Maintenance Menu ..........................................................................................5-2
5.2 Service Bit Menu .............................................................................................. 5-9
5.3 Maintenance Utility .........................................................................................5-10
5.3.1 Maintenance Utility ................................................................................... 5-10
5.3.2 Scanner Maintenance Tool ....................................................................... 5-12
5.4 Self-diagnostic mode .....................................................................................5-13
5.4.1 Operator Panel .........................................................................................5-13
5.4.2 Normal self-diagnostic mode (level 1) ......................................................5-16
5.4.2.1 Entering self-diagnostic mode (level 1) ............................................5-16
5.4.2.2 Exiting self-diagnostic mode .............................................................5-16
5.4.3 Switch scan test .......................................................................................5-17
5.4.4 Motor and clutch test ................................................................................ 5-19
5.4.5 Test printing .............................................................................................. 5-21
5.4.6 Colorregistrationadjustmenttest.............................................................5-25
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