Canon LBP-1000 Service Manual page 168

APPENDEX
Connector Pin Abbreviation I/O Logic
J403 1 GND
J403 2 +3.3V
J404 1 +24V
J404 2 MPSL
J405 1 +24V
J405 2 CSTSL
J701 1 MP_DR
J701 2 GND
J701 3 /MPSNS
A - 6
O
O
O L Multi-purpose tray pick-up solenoid drive signal
O
O L Cassette pick-up solenoid drive signal
O
I L Multi-purpose tray paper detection signal
Signal name