Canon ImageRunner iR8500 Series, Service Manual, Page: 264 / 1122

Chapter 5
5-12
5.3.1.3 Preventing Overheating of the Scanner Motor
0006-9523
iR105i/iR105+ / iR9070
The machine is provided with a scanner motor cooling fan to prevent overheating of the scanner motor.
F-5-16
T-5-9
The scanner motor cooling fan is driven in fixed reading mode under the following conditions to cool the scanner motor:
T-5-10
COPIER>ADJUST>ADJ-XY>ADJ-S
(scanner home position adjustment) Use it to adjust the home position (standard
white plate read position) by entering a setting.
If the standard white plate is soiled, use this
mode to avoid reading the soiled area.
Setting range: 0 to 4
[1] Scanner motor cooling fan
[2] Scanner motor
Operating mode Fan rotation control
In stream reading mode and standby Stop
Between 60 % and 68.9 % reduction and fixed reading Full speed
Other than above in fixed reading Half speed
Related Service Mode
Vertical
size plate
Standard white plate
Higher setting Lower setting
Copyboard glass
HP sensor
[1]
[2]