Feeder Motor Control; Operation - Canon GP160DF 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.
Drive
control
circuit
COPYRIGHT © 1999 CANON INC.
Feeder controller PCB
+24V
A phase
pulse
control
B phase
pulse
control
Figure 10-501
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 CASSETTE FEEDER
A J652-4
A*
-3
-2
B
B*
-1
Feeder
M651
motor
10-7