Canon imagePRESS C1 Service Manual - page 725
Chapter 13
13-6
F-13-8
3) Execute the primary charging assembly cleaning from service mode.
(primary charging wire cleaning: COPIER > FUNCTION > CLEANING
> WIRE-CLN)
4) Select the service mode (execution of potential control: COPIER >
FUNCTION > DPC > DPC) and then press [OK].
5) Turn OFF/ON the main power.
13.3.3 Replacing the Potential Sensor
0014-0479
imagePRESS C1 P / imagePRESS 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-13-9
2) Return the processing unit [1] and the fixing/feeding unit [2].
F-13-10
3) Connect the cable [1].
F-13-11
4) Connect the cable to the connector [2] of the potential sensor [1].
5) Attach the potential sensor [1] by reference to the boss [A] of the electrode
for checking potential (FY9-xxxx) [3].
6) Connect the clip [4] for checking the potential sensor to the main body
frame (GND).
F-13-12
Check to see that potential sensor is attached in an appropriate direction to
the electrode for checking the potential sensor.
F-13-13
7) After turning ON the main power, set the service mode COPIER > FUNC-
TION > INSTALL > AINR-OFF as '1'.
8) Monitor the fixing upper roller temperature by the service mode COPIER
> DISPLAY > ANALOG > FIX-UC and go through the following oper-
ations depending on conditions:
- In case the temperature indicated as 50 deg C or less, place hand on the
shutter assembly [1] when the temperature reaches 145 deg C. Release
hand from the shutter assembly when the drum rotation stops (approx.
20sec).
- In case the temperature indicated as 50 deg C or more, place hand on the
shutter assembly [1] when the temperature reaches 158 deg C. Release
hand from the shutter assembly when the drum rotation stops (approx.
20 sec).
[1]
[2]
[3]
[3]
[1]
[2]
[1]
[2]
[1]
[1]
[3]
[4]
[1]
[2]
[A]
[A]