Feeder Motor Control; Operation - Canon GP160F Service Manual

V. FEEDER MOTOR CONTROL
A.

Operation

The feeder motor (M651) of this unit uses a stepping motor.
The A phase pulse circuit and the B phase pulse circuit, located on the feeder con-
troller PCB, emit drive pulses (A • A* • B • B*). Changes in the order and frequency of
the pulses control the rotation.
Feeder controller PCB
Drive
control
circuit
COPYRIGHT © 1999 CANON INC.
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+24V
A
A phase
pulse
control
A*
B
B phase
pulse
control
B*
Figure 10-501
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 CASSETTE FEEDER
J652-4
M651
-3
-2
-1
Feeder
motor
10-7