Canon DADF-M1 Service Manual page 136

Chapter 4
At this print, avoid moistening the cleaning tissue with silicone oil.
3. Applying the Silicone Oil
1) Squeeze the silicone oil bottle [1] 2 to 3 times, thereby moistening cleaning tissue [2] with an appropriate amount
of it.
Avoid inhaling the vapor of the oil.
2) Apply the silicone oil to the reading glass [1] with the cleaning tissue.
4-18
[1]
F-4-29
F-4-30