Canon iR7086 Series Service Manual page 491

Work 2
a. cleaning the photosensitive drum
b. removing the toner from the magnet roller assembly
c. turning over/replacing the cleaning blade
Do not rotate the magnet during the work. Otherwise, waste toner could drop from the cleaner assembly.
1) Slide out the process unit.
Be sure to place paper over the fixing/transport unit.
2) Remove the photosensitive drum.
3) Moisten lint-free paper [1] with 5 to 10 cc of alcohol [2]; then, 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 it as if to rub it from the front to the rear and then from the rear to the front.
[1]
[3]
[3]
[4]
F-13-7
[3]
CK-0429
[1]
F-13-8
[2]
[2]
Chapter 13
13-9