Scanner Drive System; Outline - Canon iR8500 Service Manual

CHAPTER 2 NEW FUNCTIONS

3.6 Scanner Drive System

3.6.1 Outline

The following parts are associated with the scanner drive system.
[1]
Reader
controller
[2]
PCB
[3]
Copyboard
cover sensor
(PS103)
[1] Scanner Motor (M101) Control Signal
Used to turn on/off the motor and to control its direction and speed of rotation.
[2] Scanner HP Sensor (PS102) Detection Signal
Used to make sure that the No. 1 mirror base is at home position.
[3] Copyboard Cover Sensor (PS103) Detection Signal
Used to detect the state (open or close) of the copyboard cover.
2-48
Drive signal
Light-blocking
Scanner HP
plate
sensor (PS102)
No. 2 mirror base
COPYRIGHT © 2001 CANON INC.
Scanner motor (M101)
(forward)
(reverse)
F02-306-01
2000 2000 2000 2000
No. 1 mirror base
CANON iR8500/7200 REV.1 AUG. 2001