Removing The Reader Scanner Unit - Canon imageRUNNER ADVANCE 4551i Service Manual

9. Clean the mirror [1] with lint-free paper. The following 4 mirrors can be cleaned.
[1]
[2]
NOTE:
The rearmost mirror [2] cannot be cleaned. However, it is a dustproof mirror, so there is no need to clean it.

Removing the Reader Scanner Unit

■ Procedure
1. Open the ADF [1].
[1]
194
4. Disassembly/Assembly