Table Of Contents - Brother FAX-8650P - B/W Laser - Fax Service Manual

1. OVERVIEW........................................................................................................... III-1
2. MECHANISMS...................................................................................................... III-2
2.1 Scanner Mechanism ..................................................................................... III-3
2.1.1 Document feeding and ejecting mechanism .......................................... III-3
2.1.2 Scanner ................................................................................................ III-3
2.2 Laser Printing Mechanism............................................................................. III-4
2.2.1 Paper pulling-in, registration, feeding, and ejecting mechanism............. III-4
2.2.2 Print process mechanism ...................................................................... III-6
(1) Charging process.......................................................................... III-7
(2) Exposing process ......................................................................... III-7
(3) Developing process ...................................................................... III-8
(4) Transferring process ..................................................................... III-8
(5) Erasing process ............................................................................ III-8
2.2.3 Heat-fixing mechanism........................................................................... III-9
2.3 Sensors and Actuators .................................................................................. III-10
3. CONTROL ELECTRONICS..................................................................................
3.1 Configuration ................................................................................................ III-12
3.2 Main PCB ..................................................................................................... III-13
3.3 NCU PCB ..................................................................................................... III-15
3.4 Control Panel PCB........................................................................................ III-16
3.5 Power Supply PCB ....................................................................................... III-17
[ 1 ] Low-voltage power supply PCB .................................................... III-17
[ 2 ] High-voltage power supply PCB ................................................... III-18
CONTENTS
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