Canon 7086 Series Service Manual - page 259
Chapter 7
7-13
F-7-18
Reference:
Timing of Cleaning Operation
[1] when wire cleaning is executed in user mode.
[2] at the end of LSTR after making 6000 prints since previous wire cleaning.
7.5.1.3 Others
0010-8052
iR7105 / iR7095 / iR7086
SERVICE MODE:
- COPIER> ADJUST> HV-PRI> GRID (grid bias output adjustment input)
If the DC controller PCB has been replaced or the RAM on the DC controller PCB has been initialized, enter the value indicated on the service label.
ERROR CODE:
- E065 (primary charging output error)
Indicates that over-current has been detected (PRIMARY_ERR=1) because of leakage.
7.5.2 Dust-Collecting Roller Bias
7.5.2.1 Outline
0010-8053
iR7105 / iR7095 / iR7086
The following is associated with the dust-colleting roller bias control system:
[1] enabling/disabling the dust-collecting roller bias
The following shows the construction of the control system that relates to the dust-collecting roller bias:
Primary charging assembly
Wire
Primary charging wire
cleaning motor
M8
DC controller PCB
rear direction
front direction
1
6
7
11
PRIMARY_W.C_BK
PRIMARY_W.C_FW
J502A
Wire cleaner
When '1', the wire cleaner moves toward the front.
When '1', the wire cleaner moves toward the rear.