Canon 7086 Series Service Manual - page 267
Chapter 7
7-21
F-7-28
7.7.4 Controlling the Developing Bias
0010-8065
iR7105 / iR7095 / iR7086
The following items are associated with the developing bias control system:
[1] DC bias constant voltage control
[2] AC bias constant voltage control
CARTRIDGE_OPEN
CARTRIDGE_DETECT
5V
BOTTLE_MOTOR +
BOTTLE_MOTOR -
BUFFER_MOTOR +
BUFFER_MOTOR -
KAKUHAN_CL
24V
0V
0V
5V
Toner bottle motor drive switch
Toner
bottle sensor
Toner bottle cover
open/closed sensor
The power to the motor is cut
while the door remains open.
J512B
J511A
PS67
MSW8
Sub hopper
toner sensor
Sub hopper
motor
Toner bottle
rotation motor
Sub hopper
transport clutch
CL23
M22
M23
Toner bottle
Sub hopper
PS59
DC controller PCB
1 2 3 4 5 6 7 8
15
17
1 2 3 4 5
When the toner bottle
is in place, '0'.
When the toner bottle
cover is closed, '1'.
TS4