Brother 1920CN - Color Inkjet - Fax Service Manual page 45

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 Lower Rear Cover .......................................................................................... IV-4
1.2 Access Plates R and F ................................................................................... IV-4
1.3 Paper Cassette............................................................................................... IV-5
1.4 Document Tray ASSY .................................................................................... IV-6
1.5 Upper Rear Cover .......................................................................................... IV-8
1.6 ADF Unit ........................................................................................................ IV-9
[ Disassembling the ADF Unit ]....................................................................... IV-11
1.7 Scanner Unit and Control Panel ASSY ........................................................... IV-16
[ Disassembling the Scanner Unit ] ................................................................. IV-19
[ Disassembling the Control Panel ASSY ]...................................................... IV-24
1.8 Relay PCB ..................................................................................................... IV-25
1.9 Speaker.......................................................................................................... IV-26
1.10 Scanner Mount ............................................................................................... IV-27
1.11 Paper Sub Tray and Tray Holder .................................................................... IV-30
1.12 VC Cover, VC Bracket, and VC Connector PCB (for models supporting
video capture) ................................................................................................ IV-31
1.13 Front Cover
Front Sub Cover (for models not supporting video capture) ............................ IV-32
1.14 Outer Chute and Paper Pinch Rollers ............................................................. IV-33
1.15 Main Cover..................................................................................................... IV-34
1.16 Switch Cover (for models not equipped with a power switch) .......................... IV-35
1.17 Laser Unit....................................................................................................... IV-36
1.18 Heat-fixing Unit and FU Lamp ........................................................................ IV-37
1.19 Fan................................................................................................................. IV-41
1.20 Drive Gear ASSY and Main Motor ASSY........................................................ IV-43
1.21 NCU Shield and NCU PCB*............................................................................ IV-45
1.22 Bottom Plate, Main PCB, and Bottom Insulation Film ..................................... IV-47
1.23 Low-voltage Power Supply PCB and Power Inlet ............................................ IV-51
DISASSEMBLY/REASSEMBLY AND
LUBRICATION
CONTENTS
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