3.3.2 PSU ..................................................................................................3-5
PSU board ............................................................................................3-5
PSU board with bracket ........................................................................3-5
3.4 SCANNER .................................................................................................3-6
3.4.1 EXPOSURE GLASS/DF EXPOSURE GLASS, SCALES .................3-6
Exposure Glass ....................................................................................3-6
DF Exposure Glass...............................................................................3-6
3.4.2 LENS BLOCK ...................................................................................3-7
3.4.4 SCANNER MOTOR..........................................................................3-9
Overview.............................................................................................3-11
3.5 MASTER FEED .......................................................................................3-15
3.5.1 MASTER MAKING UNIT ................................................................3-15
3.5.3 THERMAL HEAD............................................................................3-17
Installation...........................................................................................3-18
3.5.4 MASTER SET COVER SENSOR ...................................................3-19
3.5.6 CUTTER UNIT................................................................................3-20
3.6 MASTER EJECT .....................................................................................3-23
3.6.1 MASTER EJECT UNIT ...................................................................3-23
3.6.4 DRUM MASTER SENSOR / MASTER EJECT SENSOR /
EJECT BOX SET SENSOR............................................................3-25
3.6.5 PRESSURE PLATE HP SENSOR / PRESSURE
PLATE LIMIT SENSOR ..................................................................3-26
3.7 PAPER FEED..........................................................................................3-28
3.7.6 PAPER FEED CLUTCH .................................................................3-32
3.8 PRINTING ...............................................................................................3-34
3.8.1 PRESS ROLLER ............................................................................3-34
3.8.2 REGISTRATION SENSOR.............................................................3-35
SM
xvii
C231/C237/C238/C248/C267