Pc Drum Section; Pc Drum Drive Mechanism - Minolta Di450 Service Manual

6.

PC DRUM SECTION

The PC Drum consists of layers of semiconductive materials placed on an aluminum alloy
base, on which an electrostatic latent image is formed.
Charge Holding Layer
PC Drum
Carrier Generation Layer
1139M007AA
4002M508AA
Aluminum Bass
6-1.

PC Drum Drive Mechanism

• The PC Drum is rotated by drive from a motor.
• The flywheel mounted on the drum shaft functions to smooth out power surges occurring
due to backlash in gears.
PC Drum Drive Motor (M21)
Rear
PC Drum
Flywheel
Front
4002M509AA
CONTROLLED PART CONTROL SIGNAL ON OFF WIRING DIAGRAM
M21 PWB-A PJ7A-3A L H 4-C
M-9