Parts Replacement Method - Oki B431L6 Maintenance Manual

Oki Data CONFIDENTIAL

3.3 Parts replacement method

This section explains the replacement method of the parts and assemblies that are shown in the following
disassembling diagram.
The explaining diagram of parts replacement procedure is B431dn.
Replace part after performing the following operation.
(1) Unplug the AC power cord from the main unit inlet by the disconnected status of power switch.
(2) Unplug the interface cable from the main unit.
PR Unit
44983601TH Rev.1
Cover-Side-R
(3.3.4)
LED HEAD
CU-Board
(3.3.1)
(3.3.6)
Roller Transfer
PWB unit - ACDC Switch
(3.3.2)
(3.3.7)
Duplex Belt
DC Main
(3.3.3)
(3.3.8)
Hopping / MPT / Regist Clutch
(3.3.9)
Paper feeding roller(Roller-Pick-Up,Roller-Feed-NOW,Roller-Assy-MPT)
(3.3.26)
Frame-Assy-Retard , Spring-Retard
(3.3.27)
Cover Assy Ope
(3.3.11)
Ope PCB Assy ( B431 )
(3.3.12)
MPT Assy , Manual Assy
(3.3.16)
Cover Assy Rear
(3.3.17)
Guide Eject Lower Assy
(3.3.18)
Eject Motor
(3.3.19)
Cover-Side-L
(3.3.5)
HV-Board / Motor-FAN
(3.3.10)
Cover Assy Stacker
(3.3.13)
Stacker Cover
(3.3.14)
Fuser Assy
(3.3.15)
Plate Side R Assy / Plate Side L Assy
/ Front Assy
(3.3.20)
Plate Side L Assy
(3.3.21)
Plate Side R Assy
(3.3.22)
Roller Regist
(3.3.23)
Roller Feed Assy
(3.3.24)
Lever In Sensor / Lever WR Sensor
/ Photo Interrupter
(3.3.25)
3. Parts replacement
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