Canon imageCLASS MF4690 Operation Manual page 206

5
Open the ADF.
6
Clean the ADF scanning area (on
the left side of the platen glass)
with a cloth dampened with water.
Then wipe the area with a soft, dry
cloth.
7
Close the ADF.
Be careful not to get your fingers caught.
8
Reconnect the power cord and
turn on the main power switch.
10-9