Canon imagePRESS C1 Service Manual - page 457
Chapter 7
7-108
1) Remove the ITB bias roller [1].
- 2 E-rings [2]
- 1 contact cover [3]
- 1 gear [4]
- 1 gear case [5]
- 1 roller [6]
F-7-243
2) Remove the ITB bias roller cleaning blade (lower) [1].
- 4 screws [2]
F-7-244
7.14.38 Potential Sensor Unit
7.14.38.1 Preparation for Removing the Potential Sensor
Unit
0014-0064
imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / image-
PRESS C1+
1) Open the front cover.
2) Detach the process unit cover.
3) Lift the hopper unit.
4) Pull out the process unit. (page 7-83)Reference [Sliding the Processing
Unit]
5) Remove the primary charging assembly. (page 7-86)Reference [Re-
moving the Primary Corona Assembly]
6) Remove the pre-transfer charging assembly. (page 7-88)Reference [Re-
moving the pre-transfer corona assembly]
7) Remove the drum unit. (page 7-89)Reference [Removing the Drum
Unit]
7.14.38.2 Removing the Potential Sensor
0014-0065
imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / image-
PRESS C1+
1) Remove the process unit guide [1].
- 2 screws [2]
F-7-245
2) Remove the duct [1] by shifting it in the direction of the arrow.
- 1 screw [2]
F-7-246
3) Remove the potential sensor [1] by removing the claw [2].
- 1 connector [3]
F-7-247
7.14.38.3 Replacing the Potential Sensor
0014-3687
imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / image-
PRESS C1+
When replacing the potential sensor, go through the following procedure.
The potential sensor and the potential control PCB are adjusted in pairs. Re-
placement of them must be performed at the same time.
1) Pull out the potential sensor cable [1] from the processing unit hole [2].
F-7-248
2) Return the processing unit [1] and the fixing/feeding unit [2].
[1]
[2]
[2]
[3]
[4]
[5]
[6]
[1]
[2]
[2]
[2]
[2]
[1]
[2]
[1]
[1]
[3]
[2]
[2]
[1]
[2]