Canon iR1600 Service Manual page 117

(front)
No. 2 mirror
No. 1 mirror
BD mirror
Imaging lens
Polygon mirror (6-faceted)
E100
After laser light is turned on, the BD signal cannot be detected within a spe-
cific period of time.
COPYRIGHT© 2002 CANON INC.
F04-201-01
2000 CANON iR1600/iR2000 REV.1 JAN. 2002
CHAPTER 4 LASER EXPOSURE SYSTEM
(rear)
Photosensitive drum
BD PCB
J908
J102
-2 [2]
10
generation
J907 J102
-5 [1]
4
-3
6
-2
7
Laser unit
DC controller
Laser scanner unit
Sync
J104 J235
signal
[4]
18
18
Memory
J104
control
J235
[6]
20 20
[6]
21 21
Image
processor
PCB
PCB
[5]
4-5