Pc Drum; Pc Drum Drive Mechanism; Grounding Of The Pc Drum - Minolta CF1501 Service Manual

8.

PC DRUM

8-1.

PC Drum Drive Mechanism

• A motor is used to turn the PC Drum of each color.
• It is a planet motor capable of transmitting highly accurate drive and preventing pitch
noise.
• The motor employs planet rollers that transmit drive through friction to decelerate its
speed, which means that it produces no noise or uneven rotation.
Controlled Part Control Signal
M15 Y
M16 M
M17 C
M18 Bk
8-2.

Grounding of the PC Drum

• The potential on the surface of the PC Drum exposed to the LED is grounded to the
frame.
PC Drum
Energized
PJ12I-4A L
PJ12I-8A L
PJ12I-4B L
PJ12I-8B L
Ground Plate
M-15
Imaging Unit Motor Y/M/C/Bk
(M15/16/17/18)
4004M002AA
Deenergized WIRING DIAGRAM
H 15-B
H 17-B
H 16-C
H 17-D
Front
4004M003AA