Read Panasonic FP-7742 / FP-7750 Service Manual online
3-7
PCB Connector and
Signal Information
(CN7)
Pin
Signal
Destination
Status
Function
No.
Name
11 RCSOL
Recycle solenoid
Solenoid ON/OFF signal
CN-2
12 PGND
—
0V
Power ground
13 TH1
Thermistor
Analog
Fuser temperature
CN-1
5 to 2.7V
detecting signal
14 TH2
Thermistor
0V
Fuser temperature
CN-2
detecting signal
(CN8)
Pin
Signal
Destination
Status
Function
No.
Name
1 OZFM
Suction/Ozone
Fan drive signal
fan CN-1
2 DDFM
Developer cooling
Fan drive signal
fan CN-1
3 OZFL
Suction/Ozone
Fan lock detecting
fan CN-2
signal
4 DDFL
Developer cooling
Fan lock detecting
fan CN-2
signal
5 PGND
Suction/Ozone
0V
Power ground
fan CN-3
6 PGND
Developer cooling
0V
Power ground
fan CN-3
7 SCFM
Dust collection
Fan drive signal
fan CN-1
8 —
9 SCFL
Dust collection
Fan lock detecting
fan CN-2
signal
10 VP
Middle roller
DC+24V power supply
clutch CN-1
24V
ON
0V
24V
ON
0V
24V
ON
0V
0V
Lock
5V
0V
Lock
5V
0V
24V
0V
Lock
5V
0V
ON
24V
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