Controlling Electrical Mechanisms; Controlling The Main Motor (M4) - Canon CLC 1120 Service Manual

CHAPTER 2 BASIC OPERATION
III. CONTROLLING ELECTRICAL MECHANISMS
A. Controlling the Main Motor (M4)
1. Outline
Table 2-301 shows the functions of the main motor control circuit, and Figure 2-301 shows a
block diagram of circuit.
Item
Power supply
Drive signal
Moving/drive parts
Control
DC driver
PCB
MNMRDY
MNMON
2-10
COPYRIGHT © 1999 CANON INC.
38 VDC from the DC power supply PCB.
Drive signal (MNMON) from the DC driver PCB.
Registration roller, attraction roller, developing assembly,
multifeeder feed roller.
Turing on/off the main motor.
Controlling the main motor to a constant speed.
Detects errors.
Table 2-301
Main motor (M4) driver PCB
Rotation speed
control circuit
Reference
pulse
generation
Figure 2-301
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
Main motor
Motor
driver
Rotation speed
detection
M4