Theory Of Operation - Brother MFC9100C Service Manual

CHAPTER III.
1. OVERVIEW........................................................................................................... III-1
2. MECHANISMS...................................................................................................... III-2
2.1 Scanner Mechanism ..................................................................................... III-3
2.2 Ink Jet Printing Mechanism........................................................................... III-5
2.2.1 Paper pick-up, registration, feeding, and ejecting mechanisms.............. III-5
2.2.2 Ink jet printing and capping mechanisms ............................................... III-6
2.2.3 Purging mechanism .............................................................................. III-9
2.2.4 Carriage drive mechanism .................................................................... III-11
2.3 Sensors and Actuators .................................................................................. III-12
3. CONTROL ELECTRONICS.................................................................................. III-15
3.1 Configuration ................................................................................................ III-15
3.2 Main PCB ..................................................................................................... III-16
3.3 NCU PCB ..................................................................................................... III-18
3.4 Control Panel PCB........................................................................................ III-21
3.5 Power Supply PCB ....................................................................................... III-22

THEORY OF OPERATION

CONTENTS