Pc Drum; Drum Drive Mechanism - Minolta Di 620 Manual

1155SBM0600A

PC DRUM

6
The copier uses an OPC (organic photocondutor) drum.
* The drum consists of an aluminum base coated with a carrier generation layer
and a charge holding layer.
The drum provides good spectral sensitivity in the near infrared range.
(Usage Precautions)
Protracted exposure to extraneous light can cause the drum surface to suffer light
fatigue, resulting in a loss of optical sensitivity. If the drum is removed from the unit,
it should be wrapped in a soft clean cloth or other protective covering to prevent
lengthy exposure to ambient light.
PC Drum
1155SBM0601A

6-1. Drum Drive Mechanism

The drum is driven by the PC Drum Drive Motor. A flywheel mounted to the drum
shaft helps to maintain smooth rotation.
PC-Drum Drive Motor
(M2)
CONTROLLED PART CONTROL SIGNAL
M2
(Drum Cross-Section)
1139M006AA
PJ7A-2A
M-14
Charge Holding Layer
Carrier Generation Layer
Aluminum Base
Flywheel
ON OFF
L H
1139M007AA
1155M035AA
WIRING DIAGRAM
E-4