44871001TH Rev.6
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 Cover Side (L) ............................................................................................4-4
4.2.2 Cover Side(R) / SD Card ............................................................................ 4-5
4.2.3 Board 98M ..................................................................................................4-6
4.2.4 PWR unit ....................................................................................................4-7
4.2.5 Cover Stay(R) / Cover Stay(L) .................................................................... 4-9
4.2.6 Cover Front (Top) .....................................................................................4-10
4.2.7 SW Assy ...................................................................................................4-11
4.2.8 Scanner unit .............................................................................................4-12
4.2.8.1 Tray-assy-document / Cover-ADF-R-assy ........................................ 4-14
4.2.8.2 ADF-unit ...........................................................................................4-15
4.2.8.3 Sheet-document / Paper-weight-assy / Spring-PW-ADF ..................4-16
4.2.8.4 Hinge-assy-L / Hinge-assy-R ...........................................................4-17
4.2.8.5 Cover-ADF-F / Guide-assy-exit-sub / ADF-assy /
ADF board (MHD) ............................................................................4-18
4.2.8.6 Cover-assy-top-ADF / Guide-assy / Roller / Motor / Clutch /
Solenoid ...........................................................................................4-20
4.2.8.7 Guide-A-sub / Frame-assy-separator / Spring-separator /
Rubber-friction .................................................................................. 4-21
4.2.8.8 Cable (ADF-Rev SNS) ......................................................................4-21
4.2.8.9 Cable (ADF-Reg SNS) .....................................................................4-22
4.2.8.10 Frame-assy-OP ................................................................................4-22
4.2.8.11 Frame-OP-panel / OPE board (Except MB441/MB461/MB461+LP/
ES4161 MFP) ................................................................................... 4-23
4.2.8.12 Frame-OP-panel / OPE board (MB441/MB461/MB461+LP/
ES4161 MFP) ................................................................................... 4-24
4.2.8.13 LCD-assy ..........................................................................................4-25
4.2.8.14 Frame-assy-FB ................................................................................. 4-26
4.2.8.15 How to remove Battery (SU Board MHE) ......................................... 4-28
4.2.8.16 Frame-assy-hopping-ADF ................................................................4-29
4.2.9 Plate Stay L / Plate Assy Stay R ..............................................................4-30
4.2.10 LED Head .................................................................................................4-31
4.2.11 Frame-Assy-TR ........................................................................................4-31
4.2.12 Duplex Belt Assy ......................................................................................4-32
4.2.13 DC Motor ................................................................................................. 4-32
4.2.14 Hopping Clutch / MPT Clutch / Regist Clutch ..........................................4-34
4.2.15 HV-Board / Motor-FAN ............................................................................4-37
4.2.16 Cover Assy Stacker ..................................................................................4-38
4.2.17 Stacker Cover ........................................................................................... 4-40
4.2.18 Fuser Assy ...............................................................................................4-41
4.2.19 MPT Assy, Manual Assy ...........................................................................4-44
4.2.20 Cover Assy Rear ......................................................................................4-45
4.2.21 Guide Eject Lower Assy ...........................................................................4-48
4.2.22 Eject Motor ...............................................................................................4-49
4.2.23 Plate Side R Assy / Plate Side L Assy / Front Assy .................................4-50
4.2.24 Plate Side L Assy .....................................................................................4-51
4.2.25 Plate Side R Assy ....................................................................................4-52
4.2.26 Front Assy ................................................................................................4-53
4.2.27 Roller Feed Assy ......................................................................................4-53
4.2.28
Lever In Sensor / Lever WR Sensor / Photo Interrupter ....................................4-54
4.2.29 Paper feeding roller (Roller-Pick-Up, Roller-Feed-NOW, Roller-Assy-MPT) ..4-55
4.2.30 Frame-Assy-Retard, Spring-Retard ..........................................................4-57
4.2.31 W-LAN Board ( for MB471w only) ............................................................4-58
5. LUBRICATION POINT ...........................................................5-1
5.1 Lubrication point...............................................................................................5-2
5.1.1 Printer .........................................................................................................5-3
5.1.2 Scanner .................................................................................................... 5-11
6. MAINTENANCE MENUS .......................................................6-1
6.1 Maintenance Menu ..........................................................................................6-2
6.2 Service Bit Menu ............................................................................................ 6-10
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