Others; Dust-Collecting Roller Bias; Outline - Canon ImageRunner iR8500 Series Service Manual

Timing of Cleaning
[1] The surface temperature of the fixing roller is 100 deg C or lower when the control
panel power switch is turned on.
[2] The wire cleaning mechanism is turned on in user mode.
[3] At the end of LSTR after making 2000 prints following wire cleaning.

8.4.1.3 Others

iR105i/iR105+ / iR9070 / iR85+ / iR8070
Related Service Mode
COPIER> ADJUST> HV-PRI> GRID
(grid bias output adjustment value input)
Related Error Code
E065
(primary charging output error)

8.4.2 Dust-Collecting Roller Bias

8.4.2.1 Outline

iR105i/iR105+ / iR9070 / iR85+ / iR8070
When '1', the wire cleaner moves toward the rear.
J502A
1 When '1', the wire cleaner moves toward the front.
PRWC-RV
7
PRWC-FV
8
0V
9
PRWC-HP
10
17 Wire
When the wire cleaner reaches
the home position, '0'.
Home position
sensor (MSW4)
Wire cleaner
F-8-25
T-8-9
T-8-10
If you have replaced the DC controller PCB or
initialized the RAM on the DC controller PCB,
enter the value recorded on the service label.
T-8-11
An overcurrent is detected (PR-ERR=1) because of
leakage.
Primary charging
wire cleaning
motor (M8)
Primary charging assembly
Chapter 8
0006-9683
0006-9692
8-17