Lexmark Optra E 4026-0 Series Reference Handbook page 163

System Board Connector J222
Pin Signal
1 FSRTYP1
2 FSRTP1R
3 FSRTP2R
4 FSRTYP2
5 FSRTH
6 GND
System Board Connector J223
Pin Signal
1 TONRS
2 GND
System Board Connector J225
Pin Signal
1 FAN4D
2 /FAN4S
3 GND
4 NC
6-36
Laser Printer Reference Handbook
Signal Name
Fuser Main Heater Type Sense Signal
Fuser Sub Heater Type Sense Signal
Fuser Roller Temperature Sense Signal
Signal Name
Toner Level Signal
Signal Name
Fan Motor 4 Drive Signal
Fan Motor 4 Rotating Detection Signal