Scanner Drive System - Canon GP405 Service Manual

II. SCANNER DRIVE SYSTEM
The No. 1/No. 2 mirror mount is driven by the scanner motor (M3). The scanner motor is a
stepping motor, and is controlled by the image processor PCB.
The position of the No. 1 mirror mount is detected by the scanner home position sensor (PS1).
J714 J113
J714 J113
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
J116
Drive signal
J112
Scanner home
position sensor
(PS1)
No. 2 mirror mount
Figure 3-201
CHAPTER 3 EXPOSURE SYSTEM
Scanner motor
(forward)
(reverse)
No. 1 mirror mount
3-3