Disassembly/Reassembly And Lubrication Contents - Brother IntelliFax-4750 Service Manual

CHAPTER IV.
1. DISASSEMBLY/REASSEMBLY ........................................................................... IV-1
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Safety Precautions.............................................................................................. IV-1
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Preparation......................................................................................................... IV-2
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How to Access the Object Component ................................................................ IV-2
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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
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
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
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