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4-3
PCB Connector and
Signal Information
Signal Name
Function
EXFM2
Exhaust fan motor 2 ON / OFF signal
EXFM3
Exhaust fan motor 3 ON / OFF signal
EXFM4
Exhaust fan motor 4 ON / OFF signal
EXFM5
Exhaust fan motor 5 ON / OFF signal (FP-D450/D600)
GND
Ground
GOPSW1
Developer unit detecting signal
GOPSW2
Ground
GREF
Grid bias adjustment signal
HDDFL
Hard disk cooling fan motor ON / OFF signal
HDDFM
Hard disk cooling fan motor ON / OFF signal
HFCR
Bypass paper feed clutch ON / OFF signal
HFSOL
Solenoid ON/OFF signal (FP-D450/D600)
HMMCLK
Shift tray transfer motor drive clock signal
HPESN
Bypass paper detecting signal
HPSN
Lamp unit home position detecting signal
HSSN1
Paper size detecting signal 1
HSSN2
Paper size detecting signal 2
HSSN3
Paper size detecting signal 3
HTTR1
Fuser lamp 1 ON/OFF signal
HTTR2
Fuser lamp 2 ON/OFF signal (FP-D450/D600)
HVBCNT
Bias ON/OFF signal
HVCNT
Charge high voltage ON/OFF signal
HVDCNT
Separation high voltage ON / OFF signal
HVLKC
Charge high voltage leak detecting signal
HVLKD
Separation high voltage leak detecting signal
HVLKT
Transfer high voltage leak detecting signal
HVTCNT
Transfer high voltage ON / OFF signal
IADFRX
Inverse ADF receive signal
IADFTX
Inverse ADF transfer signal
IPRXD
Finisher communication receive signal
IPRXG
Ground
IPTXD
Finisher communication transfer signal
IPTXG
Ground
ISTRX
Inverse sorter receive signal
ISTTX
Inverse sorter transfer signal
KCS
Key counter connection detecting signal
KCT
Key counter count signal
KCTCNT
Key counter count signal
KEY
EPA mode key input signal
Grid bins adgustment signal
Hard disk cooling fan motor lock F signal