Laser Scanner Motor - Canon 1130 Service Manual

CHAPTER 5 LASER EXPOSURE SYSTEM
IV. LASER SCANNER MOTOR
The laser scanner motor (M3) starts to rotate at a specific speed when the DC driver PCB
causes the laser scanner motor drive signal (LSMON) to go '0'.
DC driver PCB
LSMRDY
LSMON
E110
If an error causes the rotation speed of the motor to deviate, the laser scanner
motor ready signal (LSMRDY) goes '0', causing the copier to indicate the
code.
5-6
COPYRIGHT © 2002 CANON INC.
Laser scanner motor PCB
Speed
control
circuit
Referenc pulse
generation
circuit
Figure 5-401
CANON CLC1100/1130/1150/1160/1180 REV.1 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
Motor
M3
driver
Rotation
speed
detection