No.
Name
Function
18
ICU PWB
Image process control
19
Laser drive PWB
Laser beam drive
20
LCD control PWB
LCD display control
21
LCD inverter PWB
LCD backlight lighting
22
LCD volume PWB
LCD display density control
23
Manual feed tray paper size sensor PWB
Manual feed tray paper size detection
24
Mother PWB
ICU PWB, printer PWB interface
25
Operation control PWB
Operation panel control
26
PCU PWB
Process control
27
Polygon motor drive PWB
Polygon motor drive
28
Process control volume PWB
Bias voltage adjustment
29
Interface PWB
Interface when connected with a personal computer
Option
30
Printer PWB
Used when the machine is used as a printer of the connected computer.
Option
9. Duplex copy tray
Signal
name
Name
Output/Function
Type
1
APHPS2
ADU rear plate home position sensor
Low when at home position
Transmissive photosensor
2
DPPD1
ADU paper transport sensor-1
High when paper passes over
Transmissive photosensor
3
APHPS1
ADU alignment plate home position sensor
Low when over home position
Transmissive photosensor
4
DPPD2
ADU paper transport sensor-2
High when paper detected
Transmissive photosensor
5
DTPID
ADU tray sensor
High when paper detected
Transmissive photosensor
6
DPFD
ADU paper entry sensor
High when paper detected
Transmissive photosensor
7
PAM2
ADU rear plate motor
ADU rear plate drive
DC stepping motor
8
PAM1
ADU alignment plate motor
ADU alignment plate drive
DC stepping motor
9
DPFC
ADU paper feed clutch
ADU paper feed roller rotation
Electromagnetic clutch
10
DRRC
ADU counter roller clutch
ADU counter roller rotation
Electromagnetic clutch
11
DDC
ADU drive clutch
ADU drive
Electromagnetic clutch
12
ADUPWB
Diode PWB
Duplex copy tray load driving
1.APHPS2
2.DPPD1
3.APHPS1
4.DPPD2
5.DTPID
6.DPFD
7.PAM2
8.PAM1
9.DPFC
10.DRRC
11.DDC
12.ADUPWB
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