COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 400/330 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
3-3
CHAPTER 3 EXPOSURE SYSTEM
DC controller PCB
Image processor PCB
DC-CPU
Scanner motor
Scanner home
position sensor
(PS1)
(reverse)
(forward)
No. 2 mirror mount
No. 1 mirror mount
Drive signal
J116
J112
J113
J113
J714
J714
Figure 3-201
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).