Removing The Itb Cleaning Unit - Canon imageRUNNER ADVANCE C5255 Series Service Manual

4
Parts Replacement and Cleaning > Image Formation System > Removing the ITB Cleaning Unit > Procedure
4) Remove the Wire Saddle, and Edge Saddle to make the Sensor Assembly moving freely.
• 3 Wire Saddles
• 1 Edge Saddle
x4
Edge Saddle
Wire Saddles
5) Pull out the Patch Sensor Unit, and Remove the sensor desired to be replaced. (Patch
Sensor (Rear) as an example)
• 2 Screws
• 1 Connector
x2
Connector
■ Actions after Replacement
When replace the Patch Senosor (center),Initialization of Patch sensor (center) is necessary.
COPIER > ADJUST > DENS > P-ALPHA Input Patch Sensor alpha value
Execute the following in user mode: (Settings/Registration > Adjustment/Maintenance >
Adjust Image Quality > Auto Adjust Gradation).
4 Parts Replacement and Cleaning > Image Formation System > Removing the ITB Cleaning Unit > Procedure

Removing the ITB Cleaning Unit

■ 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) Remove the ITB Unit.(Refer to page 4-105)
■ Procedure
CAUTION:
When removing/installing it, do not contact the ITB Cleaning Unit to the ITB.
F-4-132
NOTE: Moving the ITB away from the ITB Cleaning Unit will generate a clearance,
making work easier.
F-4-133
4-109
F-4-134
4-109