i
CHAPTER
IV
.
DISASSEMBLY/REASSEMBLY AND
LUBRICATION
CONTENTS
1.
DISASSEMBLY/REASSEMBLY
...............................................................................
IV
-1
n
Safety Precautions
..................................................................................................
IV
-1
n
Preparation
..............................................................................................................
IV
-2
n
How to Access the Object Component
...................................................................
IV
-2
n
Disassembly Order Flow
.........................................................................................
IV
-3
1.1
Lower Rear Cover
..............................................................................................
IV
-4
1.2
Access Plates R and F
.......................................................................................
IV
-4
1.3
Paper Cassette
...................................................................................................
IV
-5
1.4
Document Tray ASSY
........................................................................................
IV
-6
1.5
Upper Rear Cover
..............................................................................................
IV
-8
1.6
ADF Unit and Document Tray Open Sensor
......................................................
IV
-9
[ Disassembling the ADF Unit ]
...........................................................................
IV
-11
1.7
Scanner Unit and Control Panel ASSY
...............................................................
IV
-16
[ Disassembling the Scanner Unit ]
....................................................................
IV
-19
[ Disassembling the Control Panel ASSY ]
.........................................................
IV
-24
1.8
Relay PCB
..........................................................................................................
IV
-25
1.9
Speaker
..............................................................................................................
IV
-26
1.10
Scanner Mount
...................................................................................................
IV
-27
1.11
Paper Sub Tray and Tray Holder
........................................................................
IV
-30
1.12
VC Cover, VC Bracket, and VC Connector PCB (for models supporting
video capture)
.....................................................................................................
IV
-31
1.13
Front Cover
Front Sub Cover (for models not supporting video capture)
..............................
IV
-32
1.14
Outer Chute and Paper Pinch Rollers
................................................................
IV
-33
1.15
Main Cover
.........................................................................................................
IV
-34
1.16
Switch Cover (for models not equipped with a power switch)
............................
IV
-35
1.17
Laser Unit
...........................................................................................................
IV
-36
1.18
Heat-fixing Unit and FU Lamp
............................................................................
IV
-37
1.19
Fan
.....................................................................................................................
IV
-51
1.20
Drive Gear ASSY and Main Motor ASSY
...........................................................
IV
-53
1.21
NCU Shield and NCU PCB*
...............................................................................
IV
-55
1.22
Bottom Plate, Main PCB, and Bottom Insulation Film
........................................
IV
-57
1.23
Low-voltage Power Supply PCB and Power Inlet
...............................................
IV
-61