Brother 8250P - FAX B/W Laser Printer Service Manual page 43

1. DISASSEMBLY/REASSEMBLY ........................................................................... IV-1
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Safety Precautions.............................................................................................. IV-1
Tightening Torque List ........................................................................................ IV-2
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Preparation ......................................................................................................... IV-3
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How to Access the Object Component ................................................................ IV-3
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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
Side Cover
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
CONTENTS
(for the FAX-8250P/MFC-9050)
(for models except the FAX-8250P/MFC-9050)
.............................................................. IV-24
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