When Replacing The Hv-Dc Pcb - Canon ImageRunner iR8500 Series Service Manual

Chapter 14
6) Remove the two screws [1], and detach the potential sensor support
plate [2].
7) Put the developing assembly and the process unit back into their
initial positions.
8) Connect the connector [1] of the potential sensor.
9) Fit the potential sensor checking electrode (FY9-3041) [2] to the
potential sensor [1].
[2]
14-36
[1]
F-14-73
[1]
[2]
F-14-74
[1]
F-14-75
[1]
F-14-76
When mounting the potential sensor checking electrode to the potential
sensor, take care so that the magnet of the checking electrode will not
come into contact with the potential sensor cover.
10) Connect the cable [1] of the potential sensor checking electrode to
the frame (GND) [2] of the machine.
Be sure to allow enough space from the window of the sensor so the the
clip will not come into contact with the cover of the sensor.
11) Insert the door switch actuator into the door switch assembly.
12) Connect the power plug to the power outlet, and turn on the main
power switch.
13) Execute the
COPIER>FUNCTION>DPC>OFST.
14) Record the setting of 'OFST' on the service label.
15) Turn off the main power switch.
16) Disconnect the power plug from the power outlet.
17) Detach the potential sensor checking electrode.
18) Put the potential sensor support plate back into its initial position.
19) Connect the power plug to the power outlet, and turn on the main
power switch.

14.7.12 When Replacing the HV-DC PCB

iR105i/iR105+ / iR9070
1) Replace the HV-DC PCB.
2) Check to make sure that the slide switch (SW101) on the PCB is on
the UP side.
3) Assemble the machine; then, connect the power plug to the power
outlet, and turn on the main power switch.
4) Enter the values (4 types) indicated on the label attached to the new
HV-DC PCB in service mode.
COPIA>ADJUST>DEVELOP>HVT-DE
COPIA>ADJUST>HV-SP>HVT-SP
COPIA>ADJUST>HV-TR>HVT-TR
COPIA>ADJUST>HV-TR>H-PRE-TR
[2]
[1]
F-14-77
following in service
F-14-78
mode:
0008-4622