Canon imageRUNNER ADVANCE C5255 Series Service Manual page 423

4
Parts Replacement and Cleaning > Laser Exposure System > Removing the Laser Scanner Unit > Actions after Replacement
6) Remove the Laser Scanner Unit.
• 4 connectors
Laser scanner unit
Connectors
x2
CAUTION:
Since the Laser Scanner Unit needs adjustment, do not disassemble it.
CAUTION:
At installation, push the protrusion of Laser Scanner Unit into the hole of rear plate and
adjust the front boss with the plate hole and install it.
Hole
4 Parts Replacement and Cleaning > Laser Exposure System > Removing the Laser Scanner Unit > Actions after Replacement
Connectors
x2
F-4-118
Laser scanner unit
Protrusion
Boss
Protrusion
CAUTION:
At installation, pass the harness through the Sheet Guide and install it.
Sheet guide
■ Actions after Replacement
Execute the following in user mode: (Settings/Registration > Adjustment/Maintenance >
Adjust Image Quality > Auto Adjust Gradation).
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Sheet guide
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