Canon LBP1760P Service Manual page 237

III. LIST OF SIGNALS
A. Input/output signals to/from engine controller PCB
Connector Pin Abbreviation I/O Logic
J1 1
J1 2 NEUTRAL
J31 1
J31 2
J31 3 DEL2 DR
J31 4
J31 5 /DELSNS2
J50 1
J50 2
J51 1
J51 2
J51 3 /PPRDY
J51 4
J51 5
J51 6
J51 7
J51 8
J51 9
J51 10
J51 11
J51 12 /CPRDY
J51 13
J51 14
J51 15
J51 16
J51 17
J51 18
J51 19
J51 20
J51 21
J51 22
J51 23
J51 24
J51 25
J51 26
J52 1
J52 2
J52 3
J52 4
J52 5
J52 6
J52 7
J53 1
J53 2
HOT I AC power input
I AC power input
THRM I Thermistor signal
Analog
GND
GND
I H Fixing unit delivery detection signal 2
+3.3V
GND
GND
/BD O Pulse Beam detection signal (horizontal sync signal)
I L Printer power ready signal
/RDY O L Ready signal
/TOP O L Top of page signal (vertical sync signal)
/SBSY O L Status busy signal
/STS O L Status signal
/PCLK O Pulse Printer clock signal
/CBSY I L Command busy signal
/PRINT I L Print signal
/PRFD I L Pre-feed signal
I L Controller power ready signal
GND
/CMD I L Command signal
/CCLK I Pulse Controller clock signal
GND
/VDO I H Video signal
GND
/CCRT O L Condition change report signal
/PDLV O L Paper delivery signal
/PFED O L Paper feed signal
N.C.
+5V O
+5V O
GND
GND
/HALF O Main motor speed switching signal
/MRDY I L Main motor ready signal
+24VA O
+24VA O
/MON O L Main motor drive signal
GND
GND
+24VA O
/ACC O Scanner motor acceleration signal
APPENDIX
Signal name
A - 5