Canon imageRUNNER ADVANCE 8105 Series Manual page 22

4) Clean paper dust on the place [1] of the feeding guide with a blower against the Cassette 4 Pickup
Sensor.
C. Cleaning steps for 0117/118 Jam
1) Take the Paper Deck to the right side.
2) Remove 2 screws [1] and the lower paper guide [2].
3) Clean paper dust on the Deck Feed Sensor (PS1)[1] and the Deck Pickup Sensor (PS6)[2] with a blower.
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