i
CHAPTER
IV
.
DISASSEMBLY/REASSEMBLY AND
LUBRICATION
CONTENTS
1.
DISASSEMBLY/REASSEMBLY
...........................................................................
IV
-1
Safety Precautions
..............................................................................................
IV
-1
Preparation
.........................................................................................................
IV
-2
How to Access the Object Component
................................................................
IV
-2
Disassembly Order Flow
.....................................................................................
IV
-3
1.1
Rear Cover
.....................................................................................................
IV
-4
1.2
Access Plates R and F
...................................................................................
IV
-4
1.3
Control Panel ASSY
.......................................................................................
IV
-5
1.4
Panel Rear Cover and Control Panel
..............................................................
IV
-6
1.5
Document Feed Roller ASSY, Document Ejection Roller ASSY,
and Pinch Rollers
...........................................................................................
IV
-9
1.6
CIS Unit
.........................................................................................................
IV
-10
1.7
Scanner Frame ASSY (Scanner Motor, Scanner Drive Unit,
Document Take-in Roller, Separation Roller, Pressure Rollers,
and Control Panel Locks)
...............................................................................
IV
-11
1.8
Top Cover (Exit Roller, Speaker, and Document Guides)
...............................
IV
-15
1.9
Handset Mount and Hook Switch PCB
(for models equipped with a handset)
Side Cover
(for models without handset)
............................................................
IV
-21
1.10
Paper Sub Tray
..............................................................................................
IV
-23
1.11
VC Cover, VC Bracket, and VC Connector PCB
(for models supporting video capture)
..................................................................
IV
-24
1.12
Front Cover
Front Sub Cover
(for models not supporting video capture)
..................................
IV
-25
1.13
Outer Chute and Paper Pinch Rollers
.............................................................
IV
-26
1.14
Main Cover
.....................................................................................................
IV
-27
1.15
Switch Cover
..................................................................................................
IV
-28
1.16
Laser Unit
.......................................................................................................
IV
-29
1.17
Heat-fixing Unit and FU Lamp
........................................................................
IV
-30
1.18
Fan
.................................................................................................................
IV
-34
1.19
Drive Gear ASSY and Main Motor ASSY
........................................................
IV
-36
1.20
NCU Shield and NCU PCB
.............................................................................
IV
-38
1.21
Bottom Plate, Main PCB and Bottom Insulation Film
......................................
IV
-40
1.22
Low-voltage Power Supply PCB and Power Inlet
............................................
IV
-44
1.23
Inner Insulation Film, High-voltage Power Supply PCB, Engine PCB,
and 2nd Cassette Relay PCB*
........................................................................
IV
-46