Canon Image Reader-A1 iR5000i Service Manual page 132

CHAPTER 2 ORIGINAL EXPOSURE SYSTEM
The major components of the original exposure system are as follows:
No. 2 mirror
No. 2 mirror
base
Scanner HP
sensor (PS39)
Copyboard cover
sensor (PS40)
Component
Scanning lamp
Scanner motor
Scanner HP sensor
Copyboard cover sensor
Mirror
2-2 R
Stream reading position
(start position)
No. 1 mirror base
No. 1 mirror
Scanning lamp
No. 3 mirror
F02-101-01
Scanning
lamp (LA2)
Light-blocking
plate
No. 2 mirror
base
F02-101-02
Notation
LA2 Xenon lamp (intensity of 70,000 lx)
M3 2-phase stepping motor (under pulse control)
PS39 Photointerrupter (detects scanner home position)
PS40 Photointerrupter (detects the state (open/closed) of
copyboard cover)
- No. 1/No. 2/No. 3 mirror
COPYRIGHT © 2001 CANON INC.
Image leading
edge
HP
Original
Scanner motor (M3)
(forward)
(reverse)
Description
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
Copyboard glass
CCD
Lens
No. 1 mirror
base