Canon ImageRunner iR8500 Series Service Manual page 630

Chapter 13
Work 2
a. Cleaning the photosensitive drum
b. Removing the toner from the magnet roller assembly
c. Turning over or replacing the cleaner blade
During the work, take care not to turn the magnet roller drive assembly. Otherwise, waste toner can drop from the cleaner assembly.
1) Slide out the process unit.
Be sure to place a paper over the fixing/feeding unit.
2) Remove the photosensitive drum.
3) Moisten lint-free paper [1] with 5 to 10 cc of alcohol [2], and collect 0.2 to 0.3 g of drum cleaning powder (CK-0429) [3] with the lint-free paper.
4) While forcing the lint-free paper against the photosensitive drum, wipe the drum as if to rub it from the front to the rear and then from the rear to the
font with force.
13-38
[1]
[3]
[4]
F-13-33
[3]
CK-0429
[1]
F-13-34
[3]
[2]
[2]