Bias Board - Kyocera Mita Ecosys FS-1010 Service Manual

(4) Bias board

The bias board contains the developing bias output circuit, registration sensor, paper empty sensor,
and the cassette switch. It also provides a liaison connection to the high voltage board, power
supply, and the toner sensor.
Power supply
board
High voltage
board
+5 V
+24 V
+5 V
Toner
TONER
sensor
+5 V
5 V DC
24 V DC
FAN
275 V DC + AC
Developing
roller
Figure 4-3-9 Bias board circuit block diagram
Bias board (KP-884)
+5 V
+24 V
Regist-
ration
sensor
Casette
+24 V
switch
Paper
sensor
+24 V
Developing bias
output circuit
4-27
TONER
5 V DC
24 V DC
SENPOW
RESIT
SWIN
RTHVDR, HVISEL
PSEL1, PSEL2
FANL
FANH
HEATN, ZCROSS
EXTIN, THERM
HVCLK
Engine board
FS-1010