Lexmark W850n Service Manual page 162

4024-110
Fuser exit sensor
The fuser exit sensor detects the arrival of media at the detection point in the exit area of the fuser, and also
detects the ejection of media from this point.
Sub heater lamp 2
Sub heater lamp 1
3-38
Printer Service Manual
Center thermistor
Pressure roll thermistor
Pressure roll
Front
Main heater lamp
Rear thermistor
Thermostat
Heat roll