Sharp FO-3150 Service Manual page 49

CONTROL PWB
8bit CPU
IC9
58
56
ASIC
129
IC8
7-3. Image forming process diagram
High voltage
circuit
Main charger
brush
High voltage Discharge
circuit brush
Paper exit Fusing
Heat roller
Pressure roller
Heater lamp
PRINTER PWB
MCON 5 12
IC1
TC/Bias ON 3 14
PW MSIN
Q4
CNPRT
Cleaning, Charge
Discharge
Separation
Separation
electrode
High voltage circuit
Q7 Q9
T2
Q8
Transformer
+24VP
+24VP
Q3 Q5
T1
Transformer
Q6
Fig. 8
Scanning
Lens
mirror
Mirror
Exposure
Development
cleaning
Transfer
Paper feed roller
Transfer roller
Fig. 9
3 – 5
FO-3150U/C
Charger
roller
MC
Separation electrode
TC
Transfer roller
100V
DC
Bias
Supply roll i er
Laser diode
Toner
Developing High voltage
roller
circuit
Paper tray
OPC
DRUM
Doctor
Developing
roller
Paper