Brother International MFC-7050C Service Manual - Page 31

Disassembly/reassembly

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CONTENTS 1. DISASSEMBLY/REASSEMBLY ■ Safety Precautions Tightening Torque List ■ Preparation ■ How to Access the Object Component ■ Disassembly Order Flow 1 .1 Ink Cartridges 1 .2 Interlock Keys 1 .3 Control Panel ASSY 1 .4 Panel Rear Cover and Control Panel 1 .5 Document Feed Roller ASSY and Document Ejection Roller ASSY 1 .6 Scanner Frame ASSY 1 .7 Rear Cover 1 .8 Auto Sheet Feeder (ASF) 1 .9 Inner Cover 1 .10 Battery ASSY 1 .11 Upper Cover ASSY 1 .12 Top Cover ASSY 1 .13 Handset Mount and Hook Switch PCB ASSY 1 .14 Top Cover Lock Spring 1 .15 Speaker and Cover Sensor PCB 1 .16 Main PCB and Insulation Film 1 .17 Video PCB 1 .18 Ink Empty Sensor PCB ASSY 1 .19 Bottom Plate 1 .20 Power Supply PCB and Interface PCB 1 .21 NCU PCB 1 .22 Frame Chassis ASSY 1 .23 Paper Feed Motor 1 .24 Carrier Transport Motor, Main Shaft, Timing Belt, and Carrier ASSY 1 .25 Idle Pulley Holder 1 .26 Maintenance ASSY IV-1 IV-1 IV-2 IV-3 IV-3 IV-4 IV-5 IV-7 IV-8 IV-9 IV-12 IV-13 IV-20 IV-21 IV-22 IV-23 IV-24 IV-26 IV-29 IV-31 IV-31 IV-32 IV-35 IV-36 IV-38 IV-39 IV-40 IV-41 IV-42 IV-43 IV-47 IV-48

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CONTENTS
1.
DISASSEMBLY/REASSEMBLY
IV
-1
■
Safety
Precautions
IV
-1
Tightening
Torque
List
IV
-2
■
Preparation
IV
-3
■
How
to
Access
the
Object
Component
IV
-3
■
Disassembly
Order
Flow
IV
-4
1
.1
Ink
Cartridges
IV
-5
1
.2
Interlock
Keys
IV
-7
1
.3
Control
Panel
ASSY
IV
-8
1
.4
Panel
Rear
Cover
and
Control
Panel
IV
-9
1
.5
Document
Feed
Rol
ler
ASSY
and
Document
Ejection
Rol
ler
ASSY
IV
-12
1
.6
Scanner
Frame
ASSY
IV
-13
1
.7
Rear
Cover
IV
-20
1
.8
Auto
Sheet
Feeder
(ASF)
IV
-21
1
.9
Inner
Cover
IV
-22
1
.10
Battery
ASSY
IV
-23
1
.11
Upper
Cover
ASSY
IV
-24
1
.12
Top
Cover
ASSY
IV
-26
1
.13
Handset
Mount
and
Hook
Switch
PCB
ASSY
IV
-29
1
.14
Top
Cover
Lock
Spring
IV
-31
1
.15
Speaker
and
Cover
Sensor
PCB
IV
-31
1
.16
Main
PCB
and
Insulation
Fi
lm
IV
-32
1
.17
Video
PCB
IV
-35
1
.18
Ink
Empty
Sensor
PCB
ASSY
IV
-36
1
.19
Bottom
Plate
IV
-38
1
.20
Power
Supply
PCB
and
Interface
PCB
IV
-39
1
.21
NCU
PCB
IV
-40
1
.22
Frame
Chassis
ASSY
IV
-41
1
.23
Paper
Feed
Motor
IV
-42
1
.24
Carrier
Transport
Motor,
Main
Shaft,
Timing
Belt,
and
Carrier
ASSY
IV
-43
1
.25
Idle
Pul
ley
Holder
IV
-47
1
.26
Maintenance
ASSY
IV
-48