Removing The Main/Sub Heater; Mounting The Main/Sub Heater; Fixing Heater - Canon ImageRunner iR8500 Series Service Manual

Chapter 10
- The thermal switch must be replaced as the thermal switch unit.
- Do not use again the thermal switch wolse contact point become open.

10.5.9 Fixing Heater

10.5.9.1 Removing the Main/Sub Heater

iR105i/iR105+ / iR9070
1) Remove the fixing assembly.
2) Remove the 2 screws [1], and detach the fixing connector unit [2];
then, remove the screw [3] and the terminal plate [4] at the rear to pull
out the faston [5]. (2 locations)
[2]
[1]
[3]
[4]
3) Remove the 2 screw [1], and detach the heater positioning plate (rear)
[2].
4) Remove the 2 fastons [1] at the front, and remove the screw [2] to
detach the heater positioning plate (front) [3].
[3]
5) Remove the main/sub heater.

10.5.9.2 Removing the Main/Sub Heater

/ iR85+ / iR8070
1) Remove the fixing assembly.
2) Remove the 2 screws [1], and detach the fixing connector unit [2];
then, remove the screw [3] and the terminal plate [4]at the rear to pull
out the faston [5] (2 locations).
10-30
0007-2878
[1]
[3]
[4]
[5]
[5]
F-10-80
[1]
[2]
[1]
F-10-81
[2]
[1]
F-10-82
0008-8191
[2]
[1]
[3]
[4]
3) Remove the 2 screw [1], and detach the heater positioning plate (rear)
[2].
4) Remove the 2 fastons [1] at the front, and remove the screw [2] to
detach the heater positioning plate (front) [3].
[3]
5) Remove the main/sub heater.

10.5.9.3 Mounting the Main/Sub Heater

iR105i/iR105+ / iR9070
To mount the fixing heater, reverse the steps used to remove it with the
following in mind:
a. Do not touch the surface of the heater.
b. For both, mount the heater so that the side with the longer harness is
to the front.
c. Viewing from the front of the fixing assembly, mount the main heater
[1] to the right and the sub heater [2] to the left.
[1]
[3]
[4]
[5]
[5]
F-10-83
[1]
[2]
[1]
F-10-84
[2]
[1]
F-10-85
0007-2879