Brother FAX-8650P

CONTENTS

1. DISASSEMBLY/REASSEMBLY...........................................................................IV-1

n Safety Precautions..............................................................................................IV-1

Tightening Torque List........................................................................................IV-2

n Preparation.........................................................................................................IV-3

n How to Access the Object Component................................................................IV-3

n 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 (for the FAX3750/MFC7750)

Side Cover (for the FAX-8650P)............................................................................IV-24

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