7. Board list
Name Type Function
1
Main PWB Japan/Export Primary control of copier functions
2
Operation PWB Common Display
3
AC PWB Japan/Export, 100V/200V Supplying AC power
4
Blank lamp PWB Common Controlling blank lamps
5
Original sensing light emitting PWB Japan Sensing original size
6
Original sensor light receive PWB Japan Sensing original size
7
AE PWB Common Automatic exposure sensor
8
Cassette paper size PWB Common Sensing cassette paper size
9
Liftup motor PWB Common Driving paper cassette bottom plate liftup
F
DC power supply unit 100V/200V series Supplying DC power
G
High voltage transformer Common Supplying process unit high voltage and developing bias voltage
H
Discharge lamp Common Driving discharge lamps
I
Process control VR PWB Common Process sensor sensitivity adjustment
J
Manual feed paper size sensor
PWB
Japan/Export Paper size detection (Japan, portrait only)
K
LCD control PWB Japan/Export LCD display drive/control
L
LCD invertor PWB Common LCD power invertor circuit
M
LCD volume PWB Common LCD light intensity adjustment
9
8
13
4
17
16
1
7
5
12
3
10
116
2
15
14
4 – 8