Category: Malfunction - Canon imageRUNNER ADVANCE C255 Series Service Manual

Category: Malfunction

■ The ITB Unit Cannot Be Removed Due to a Disengagement Error of the Primary
Transfer Roller
Location
ITB Unit
Cause/Condition
When an unexpected situation or unexpected combination of conditions occurs, a Primary Transfer Roller disengagement error
may occur. This may result in the ITB Unit not being able to be removed from the host machine.
Field Remedy
Follow the procedure shown below to remove the ITB Unit from the host machine.
1. Open the Front Cover [1].
2. Open the Right Cover Unit [2].
3. Insert a flat-blade screwdriver into the hole [B].
4. Rotate the flat-blade screwdriver in a counterclockwise direction until it creates an opening [A] between the Secondary
Transfer Idler Roller Shaft Support [3] and the RD Sensor Stay [4].
5. Remove the Drum Unit.
6. Remove the ITB Unit.
■ Troubleshooting by Forcible Stop of Paper Feed
Function Overview
Forcibly stop the paper at a specified position.
[B]
[1]
[A]
[4]
[A]
[4]
331
[2]
[3]
[3]
6. Troubleshooting
[3]
[A]
[4]
[3]
[A]
[4]