CONTENTS
1.OVERVIEW .....................................................................................................III-1
1.1 Functional Block Diagram ......................................................................III-1
2.MECHANISMS................................................................................................III-2
2.1 Transmitting Mechanism (Feeding and scanning documents)III-2...............
2.1.1 Automatic document feeder (ADF)..................................................III-2
2.1.2 Scanner ...........................................................................................III-3
2.2 Receiving Mechanism (Feeding paper and printing data)III......................-4
2.3 Power Transmission Mechanism ...........................................................III-5
2.3.1 Structure of the gear train ...............................................................III-5
2.3.2 Description of planetary gear system ..............................................III-6
2.3.3 Power transmission for four operation modes .................................III-7
[ 1 ] Scanning mode (Solenoid: OFF, Motor rotation : Reverse)......................III-8
[ 2 ] Paper feeding/ejection mode (Solenoid: ON, Motor rotation : Reverse)III-9
[ 3 ] Recording mode (Solenoid: OFF, Motor rotation : Forward)....................III-10
[ 4 ] Copying mode (Solenoid: ON, Motor rotation : Forward).........................III-12
2.3.4 Power transmission route ...............................................................III-14
2.4 Sensors and Actuators ...........................................................................III-16
3.CONTROL ELECTRONICS ...........................................................................III-19
3.1 Configuration...........................................................................................III-19
3.2 Main PCB ................................................................................................III-20
3.3 NCU PCB ................................................................................................III-27
3.4 Control Panel PCB .................................................................................III-29
3.5 Power Supply PCB ................................................................................III-30 |