System Board Connector J223; System Board Connector J225; Switch/Sensor Board; Cassette Size Sensing Switch Board - Lexmark Optra N 4040 Service Manual

4040

System Board Connector J223

Pin Signal
1 TONRS
2 GND

System Board Connector J225

Pin Signal
1 FAN4D
/FAN4S
2
3 GND
4 NC

Switch/Sensor Board

Cassette Size Sensing Switch Board

5-40
Signal Name
Toner Level Signal
Signal Name
Fan Motor 4 Drive Signal
Fan Motor 4 Rotating Detection Signal