Kyocera FS-1030D - Bias PWB

2G6
2-3-10
2-3-4 Bias PWB
The Bias PWB contains the developing bias output circuit, registration sensor, and the cassette switch. It also provides a
liaison connection to the High voltage unit, power supply unit, and the toner sensor.
Figure 2-3-7 Bias PWB circuit block diagram
Developing
roller
Bias PWB
Regist-
ration
sensor
Developing bias
output circuit
FAN1
FAN
FAN2
SWIN
RESIT
TONER
HVCLK
RTHVDR, HVISEL
MHVDR1, MHVD2
PSEL1, THVDR
EXTIN, THERM
Cassette
switch
+5V
TONER
Toner
sensor
275 V DC + AC
+5V
+5V
+5V
+24V3
+24V2
+24V2
Inter-
lock
switch
+24V2
+24V1
SLEEPSLEEP
+24V3
+24V3
HEATN
ZCROSS
HEATN
High
voltage
unit
Power
supply
unit
+5V
+24V2
+24V2
(Q305,Q206)
ZCROSS
EXTIN, THERM
Engine
PWB