Controlling The Fixing Roller Drive Mechanism - Canon ImageRunner iR8500 Series Service Manual

Chapter 10

10.1.7 Controlling the Fixing Roller Drive Mechanism

iR105i/iR105+ / iR9070 / iR85+ / iR8070
Figure shows the construction of the control system used to control the fixing roller drive mechanism.
10-4
Issues an error upon
detection.
J508B
Detection signal
Detection signal
Cleaning belt drive solenoid
Drive signal
Drive signal
Main motor
J508A
Drive signal
When the rotation speed of the fixing
motor reaches a specific value, '0'.
J508A
1
14
0V
15
0V
16
FXM-LCK
17
FXM-ON
18
5V
19
0V
20
When '1', the motor turns on.
Indicates that the cleaning
belt is running out on the
control panel upon detection.
PS7
Web absent sensor
M1
Upper
separation
claw
Inlet guide drive solenoid
F-10-3
Upper fixing roller
M3
Fixing drive motor
F-10-4
PS8
Web absent
warning sensor
Thermistor
M3
Fixing roller
motor
0007-0646