Sub hopper
motor
M22
Sub hopper
transport clutch
CL23
1 2 3 4 5
7.7.4 Controlling the Developing Bias
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
Toner bottle
Sub hopper
toner sensor
TS4
Sub hopper
When the toner bottle
cover is closed, '1'.
J511A
17
DC controller PCB
Toner bottle
rotation motor
M23
MSW8
Toner bottle cover
open/closed sensor
PS59
1 2 3 4 5 6 7 8
F-7-28
Toner bottle motor drive switch
The power to the motor is cut
while the door remains open.
Toner
bottle sensor
PS67
When the toner bottle
is in place, '0'.
J512B
15
Chapter 7
0010-8065
7-21