Canon imageRUNNER ADVANCE 4551i Service Manual page 215

CAUTION:
Installing the Roller Holder (Front) and the Parallel Pin
1. Pass the Roller Holder (Front) [1] through the shaft of the ADF Pickup Roller Unit, and slide it until it comes to the hole
for the Parallel Pin [2].
2. Rotate the gear [3] in the direction shown in the figure below so that the hole for the Parallel Pin is oriented horizontally,
and install the Parallel Pin.
3. Install the Roller Holder (Front) [1] by aligning its grove [2] with the Parallel Pin.
■ Installing the ADF Pickup Roller Unit
● Procedure
1. Hold the ADF Pickup Roller Unit while lifting the 2 flags [1] with your fingers.
2. Install the bushing [2].
[2]
[2]
[3]
[1]
[2]
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4. Disassembly/Assembly
[1]
[1]