Pc Drum Drive Mechanism - Minolta CF910 Service Manual

1154SBM0702A
7-2.

PC Drum Drive Mechanism

<PC Drum Drive Mechanism>
• The PC Drum is driven by PC Drum Drive Motor M18.
• A flywheel mounted on the drum shaft smooths out power surges occurring due to back-
lash in the gears.
<PC Drum Drive Control>
M18
Transfer Drum
Reference
Position Sensor
PC20
Timing Chart
<During high-speeding feeding from Upper Drawer>
H
PC20
Paper Take-Up ON
Motor (M15) OFF
ON
M18
OFF
M18
Control Signal
PWB-I PJ8I-3B
PWB-I PJ8I-4B
Control Signal
PWB-I PJ4I-5B
Start Key ON
L
Approx. 0.4 sec.
Flywheel
Ground Plate
Drum Shaft
PC Drum
Energized Deenergized
H
L
Blocked Unblocked
L
M-17
1154M024AC
Wiring Diagram
H
14-G
H
Wiring Diagram
H 15-E
Approx. 2.3 sec.
1154T21MCB