Canon imageRUNNER ADVANCE C5255 Series Service Manual page 419

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Parts Replacement and Cleaning > Laser Exposure System > Removing the Laser Scanner Unit > Preparations
7) Hold the ITB Unit as show in the below figure, and remove in the direction of the arrow.
CAUTION:
When installing the ITB Unit, align the ITB Unit with the 2 positions at the lead edge of
rail.
Rails
ITB unit
● Removing the Process Unit
CAUTION:
When installing/removing the Process Unit, do not remove the Waste Toner Container.
4 Parts Replacement and Cleaning > Laser Exposure System > Removing the Laser Scanner Unit > Preparations
8) Pull out the Process Unit until it stops.
• 2 screws
F-4-103
9) Remove the 4 stepped screws fixed on the right and left rails.
10) Hold the front and rear of Process Unit and remove it flatly.
F-4-104
x2
x4
4-99
F-4-105
F-4-106
F-4-107
4-99