Reinstalling The Process Unit - Canon imageRUNNER ADVANCE C5255 Series Service Manual

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Parts Replacement and Cleaning > Image Formation System > Reinstalling the Process Unit > Procedure
3) Place the paper onto the Process Unit to protect the Drum Unit from the light.
Paper
4) Take the 2 rails of Process Unit back to the host machine.
NOTE:
When installing the Process Unit, if the Dustproof Shutter is opened and blocks to install
the unit, turn ON and then OFF the power. Be sure to check that the Dustproof Shutter
is closed before installation.
4 Parts Replacement and Cleaning > Image Formation System > Reinstalling the Process Unit > Procedure
■ Preparations
1) Open the Front Cover, Right Lower Cover and Right Upper Cover.(Refer to page 4-104)
2) Remove the ITB Cover.(Refer to page 4-104)
3) Pull out the Process Unit.(Refer to page 4-131)
4) Remove the Process Unit.(Refer to page 4-132)
■ Procedure
1) Pull out the 2 rails of Process Unit from the host machine.
F-4-189
2) Align the 4 protrusions of Process Unit with the positioning pin of rail and install it.
Protrusions of process unit
F-4-190

Reinstalling the Process Unit

Positioning pins
4-133
F-4-191
Protrusions of process unit
Positioning pins
F-4-192
4-133