Canon imageRUNNER ADVANCE 4551i Service Manual page 223

■ Cleaning the Paper Back Reading Glass
● Procedure
1. Open the Feeder Cover [1].
2. Remove the 2 screws [3] of the Front Cover [2].
3. Open the ADF [1], and remove the 2 screws [3] of the Front Cover [2].
4. Open the cover [1] of the ADF document reading area.
5. Open the Rear Guide [2], and remove the Paper Back Reading Glass [3].
CAUTION:
Be sure to open the Rear Guide; otherwise, the roller comes in contact with the glass.
2x
[3]
[1]
[2]
2x
[1]
[3]
[3]
[2]
[1]
210
4. Disassembly/Assembly
[3]
[2]
[3]