Canon ImageRunner iR8500 Series, Service Manual, Page: 295 / 1122

Chapter 5
5-43
F-5-127
5) Disconnect the connector [1], and free the harness from the 2 edge
saddles [2].
6) Remove the 3 screws [3].
F-5-128
7) Slide out the scanner motor unit [1] to the front, and detach the belt;
then, detach the scanner motor unit.
F-5-129
REF.
When mounting it, set the tension of the belt to 10 ±2N (1 ±0.2 kgf).
5.4.11.4 Mounting the Scanner Motor
0008-8048
/ iR8070
1) Attach the belt [3] to the pulley [2] of the scanner motor [1].
2) Fit the motor base to its position, fit the two springs to provide tension
to the belt; then, secure it in place with three screws (See 3.9.5 Use
the springs and the screws removed in step 5)).
F-5-130
5.4.12 Copyboard Cover Open/Close Sensor
5.4.12.1 Removing the Copyboard Cover Sensor
0008-8068
/ iR8070
1) Remove the reader rear cover.
2) Remove the three screws [1], and detach the fuse PCB base [2].
F-5-131
3) Disconnect the connector [1], and remove the screw [2]; then, detach
the copyboard cover sensor cover [3] and the copyboard cover sensor
[4].
F-5-132
5.4.13 Original Size Sensor
5.4.13.1 Removing the Original Size Sensor 1/2
0007-2546
iR105i/iR105+ / iR9070
1) Remove the copyboard glass.
2) Move the No. 1 mirror base to the right edge.
3) Remove the 2 screws [1], and disconnect the connector [2]; then,
detach the original size sensor unit (front) [3].
[2]
[1]
[3]
[2]
[1]
[1]
[3] [2] [1]
[1]
[2]
[3]
[6] [4]
[5]