Canon imageRUNNER ADVANCE C5255 Series Service Manual page 1090

CAUTION:
After closing the Process Unit, hold the edge of each Drum Unit from above as
described below.
If the Drum Unit is not secured, it may cause the image failure.
9
Installation > Installation Procedure > Installing the Drum Unit
14)
projection to the triangle mark on the plate to apply pressure.
CAUTION:
When pressuring the ITB Pressure Release Lever, be sure that the Right Lower Cover
is opened first before pressuring.
F-9-40
15)
16)
9 Installation > Installation Procedure > Installing the Drum Unit
Turn the ITB Pressure Release Lever in the direction of the arrow, and then fit the
Install the ITB Cover, and tighten the 2 screws (which have been loosened).
Release the Waste Toner Lock Lever.
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F-9-41
F-9-42
9-20