Brother MFC8500 Service Manual page 40

CHAPTER IV.
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 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
Side Cover
1.10 Paper Sub Tray .................................................................................................. IV-23
1.11 VC Cover, VC Bracket, and VC Connector PCB
(for models supporting video capture)
1.12 Front Cover
Front Sub Cover
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
[Disassembling the heat-fixing unit].................................................................... IV-32
1.18 Fan ..................................................................................................................... IV-44
1.19 Drive Gear ASSY and Main Motor ASSY ........................................................... IV-46
1.20 NCU Shield and NCU PCB................................................................................. IV-48
1.21 Bottom Plate, Main PCB and Bottom Insulation Film ......................................... IV-50
1.22 Low-voltage Power Supply PCB and Power Inlet ............................................... IV-54
DISASSEMBLY/REASSEMBLY AND
LUBRICATION
CONTENTS
(for models without handset)
(for models not supporting video capture)
(for models equipped with a handset)
............................................................... IV-21
..................................................................... IV-24
.................................... IV-25
i
WWW.OASD.CN
WWW.OASD.CN