Canon imageRUNNER ADVANCE 4551i Service Manual page 225

3. While opening the Pickup Tray [1], remove the Rear Cover [2].
• 3 Claws [3]
• 2 Protrusions [4]
4. Remove the parts on the rear side of the ADF as needed.
■ Cleaning the Lead Roller 1/2/3
● Procedure
CAUTION:
To clean the Lead Roller 2 and 3, perform the procedure from step 9.
1. Open the ADF Upper Cover [1].
2. Remove the 2 screws [3] of the ADF Front Cover [2].
[1]
3x
2x
[3]
[1]
[2]
212
[4]
[3]
[2]
[3]
[3]
4. Disassembly/Assembly