Various Control; Controlling The Scanner Drive System; Outline; Controlling The Scanner Motor - Canon ImageRunner iR8500 Series Service Manual

Chapter 5

5.3 Various Control

5.3.1 Controlling the Scanner Drive System

5.3.1.1 Outline

iR105i/iR105+ / iR9070
Figure shows the components of the scanner drive system.

5.3.1.2 Controlling the Scanner Motor

iR105i/iR105+ / iR9070
Figure shows the construction of the scanner motor control mechanism.
5-10
[1] Direction of motor rotation
[2] Speed of motor rotation
Detection signal
Control
Drive signal
signal
Detection signal
No. 2 mirror mount
Scanner HP sensor (PS1)
Used to detect the home position of
the No. 1 mirror mount. The No. 1
mirror mount is stopped in reference
to this signal.
Copyboard glass sensor (PS57)
Used to detect the presence/absent
of the copyboard glass. If absent,
the drive signal to the motor is off.
Scanner motor (M5)
(forward)
(reverse)
No. 1 mirror mount
F-5-14
0006-9418
0006-9419