Canon Color imageCLASS MF9220Cdn Basic Operation Manual page 441

Cleaning the Machine
5
Place 10 sheets of blank paper into the
feeder.
6
Confirm that <Start> is displayed, then
press [OK].
The display returns to the Adjustment/Cleaning
screen.
Discard the cleaning paper after use.
The cleaning process cannot be canceled. Please
wait until it is completed.
7
Press
Main Menu screen.
11-6
(Main Menu) to return to the