Canon iR8500 Service Manual page 97

CHAPTER 2 NEW FUNCTIONS
The major components of the original exposure system are as follows:
No. 2 mirror
No. 2 mirror
base
Scanner HP
sensor (PS102)
Copyboard cover
sensor (PS103)
Component
Scanning lamp
Scanner motor
Scanner HP sensor
Copyboard cover sensor
Mirror
2-42
Stream reading position
(start position)
No. 1 mirror base
No. 1 mirror
Scanning lamp
No. 3 mirror
F02-301-01
Scanning
lamp (LA101)
Light-blocking
plate
No. 2 mirror
base
F02-301-02
Notation
LA101 Xenon lamp (intensity of 70,000 lx)
M101 2-phase stepping motor (under pulse control)
PS102 Photointerrupter (detects scanner home position)
PS103 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 (M101)
(forward)
(reverse)
Description
2000 2000 2000 2000
Copyboard glass
CCD
Lens
No. 1 mirror
base
CANON iR8500/7200 REV.1 AUG. 2001