Color - Brother FAX1170 Service Manual

1. OVERVIEW ..................................................................................................... III-1
1.1 Functional Block Diagram ......................................................................
2. MECHANISMS ................................................................................................ III-2
2.1 Transmitting Mechanism (Feeding and scanning documents) ...............
2.1.1 Automatic document feeder (ADF) ..................................................
2.1.2 Scanner ........................................................................................... III-3
2.2 Receiving Mechanism (Feeding paper and printing data) ......................
2.3 Power Transmission Mechanism ...........................................................
2.3.1 Structure of the gear train ...............................................................
2.3.2 Description of planetary gear system ..............................................
2.3.3 Power transmission for four operation modes .................................
[ 1 ] Scanning mode
[ 2 ] Paper feeding/ejection mode
[ 3 ] Recording mode
[ 4 ] Copying mode
2.3.4 Power transmission route ...............................................................
2.4 Sensors and Actuators ...........................................................................
3. CONTROL ELECTRONICS ...........................................................................
3.1 Configuration ........................................................................................... III-19
3.2 Main PCB ................................................................................................ III-20
3.3 NCU PCB ................................................................................................ III-27
3.4 Control Panel PCB .................................................................................
3.5 Power Supply PCB ................................................................................
CONTENTS
(Solenoid: OFF, Motor rotation : Reverse) ......................
(Solenoid: ON, Motor rotation : Reverse)
(Solenoid: OFF, Motor rotation : Forward) ....................
(Solenoid: ON, Motor rotation : Forward) .........................
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