Canon Color imageCLASS MF8170c Basic Manual page 92

Load the cleaning page with the printed side facing down and
wide edge with the largest blank space entering the multi-purpose
tray first.
When other paper has already been loaded in the multi-purpose tray, remove it before
loading the cleaning page.
Press [Menu].
Press [((-)] or [)(+)] to select <MAINTENANCE> ➞ press [Set].
8
Press [((-)] or [)(+)] to select <ROLLER CLEANING> ➞ press
[Set].
Press [((-)] or [)(+)] to select <STARTS CLEANING> ➞ press
[Set].
The paper will go into the printer slowly to start cleaning the fusing roller.
NOTE
It takes approximately 3 minutes to clean the roller.The cleaning process cannot be
canceled. Please wait until it ends.
8-4 Periodic Cleaning