Brother International FAX-8650P Service Manual - Page 37

Disassembly/reassembly And Lubrication

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CONTENTS 1. DISASSEMBLY/REASSEMBLY IV-1 n Safety Precautions IV-1 Tightening Torque List IV-2 n Preparation ...IV-3 n How to Access the Object Component IV-3 n Disassembly Order Flow IV-4 1.1 ROM Cover, Option Cover, and Battery ASSY IV-5 1.2 Multi-purpose Sheet Feeder IV-7 1.3 Document Guide Base IV-8 1.4 Control Panel ASSY IV-9 1.5 Panel Rear Cover and Control Panel IV-10 1.6 Document Feed Roller ASSY and Document Ejection Roller ASSY IV-13 1.7 Scanner Frame ASSY IV-14 1.8 Top Cover ...IV-21 1.9 Handset Mount and Hook Switch PCB (for the FAX3750/MFC7750) Side Cover (for the FAX-8650P IV-24 1.10 Heat-fixing Unit, FU Lamp, and Paper Ejection Sensor Actuator IV-26 1.11 Laser Unit and Toner Sensor PCB IV-28 1.12 Bottom Plate IV-29 1.13 Low-voltage Power Supply PCB IV-31 1.14 Main PCB...IV-32 1.15 High-voltage Power Supply PCB IV-35 1.16 Fan...IV-36 1.17 Registration Sensor Actuator, Sheet Feeder Cover Sensor Actuator, and Top Cover Sensor Actuator IV-37 1.18 Speaker...IV-37 1.19 Gear Drive Unit IV-38 1.20 NCU PCB ...IV-40 1.21 Scanner Grounding Plate IV-42 1.22 EL (Erase Lamp) Board IV-43 1.23 Cleaning of High-voltage Contacts and Grounding Contacts IV-44 i

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i
CONTENTS
1.
DISASSEMBLY/REASSEMBLY
...........................................................................
IV
-1
n
Safety Precautions
..............................................................................................
IV
-1
Tightening Torque List
........................................................................................
IV
-2
n
Preparation
.........................................................................................................
IV
-3
n
How to Access the Object Component
................................................................
IV
-3
n
Disassembly Order Flow
.....................................................................................
IV
-4
1.1
ROM Cover, Option Cover, and Battery ASSY*
..............................................
IV
-5
1.2
Multi-purpose Sheet Feeder
...........................................................................
IV
-7
1.3
Document Guide Base
....................................................................................
IV
-8
1.4
Control Panel ASSY
.......................................................................................
IV
-9
1.5
Panel Rear Cover and Control Panel
..............................................................
IV
-10
1.6
Document Feed Roller ASSY and Document Ejection Roller ASSY
................
IV
-13
1.7
Scanner Frame ASSY
....................................................................................
IV
-14
1.8
Top Cover
......................................................................................................
IV
-21
1.9
Handset Mount and Hook Switch PCB
(for the FAX3750/MFC7750)
Side Cover
(for the FAX-8650P)
............................................................................
IV
-24
1.10
Heat-fixing Unit, FU Lamp, and Paper Ejection Sensor Actuator
.....................
IV
-26
1.11
Laser Unit and Toner Sensor PCB
..................................................................
IV
-28
1.12
Bottom Plate
..................................................................................................
IV
-29
1.13
Low-voltage Power Supply PCB
.....................................................................
IV
-31
1.14
Main PCB
.......................................................................................................
IV
-32
1.15
High-voltage Power Supply PCB
....................................................................
IV
-35
1.16
Fan
.................................................................................................................
IV
-36
1.17
Registration Sensor Actuator, Sheet Feeder Cover Sensor Actuator, and
Top Cover Sensor Actuator
............................................................................
IV
-37
1.18
Speaker
..........................................................................................................
IV
-37
1.19
Gear Drive Unit
..............................................................................................
IV
-38
1.20
NCU PCB
.......................................................................................................
IV
-40
1.21
Scanner Grounding Plate
...............................................................................
IV
-42
1.22
EL (Erase Lamp) Board
..................................................................................
IV
-43
1.23
Cleaning of High-voltage Contacts and Grounding Contacts
...........................
IV
-44