Canon imageRUNNER ADVANCE 4551i Service Manual page 229

10. When cleaning the Lead Roller 3 [1], lift up the ADF Document Pickup Tray, and clean the Lead Roller 3 from the
original delivery outlet side with lint-free paper moistened with alcohol.
■ Removing the ADF Driver PCB
● Preparation
1. Removing the Rear Cover"Removing the Rear Cover" on page 211
● Procedure
1. Remove the ADF Driver PCB [1].
• 8 Connectors [2]
• 2 Screws [3]
[1]
[3]
2x
[2]
8x
[1]
[2]
[2]
216
[3]
[2]
4. Disassembly/Assembly