1
7
2
3
5
6
8
9
11
12
1
7
6
12
Unit Circuit Diagram Illustration Resistance
1.  Upper Roller Side
Between pins “1” and “7” :  About 10
Ω
 
Between pins “2” and “3” :  About 590k~5338k 
Ω
 (0~43˚C)
Between pins “5” and “6” :  About 190k~981k 
Ω
 (0~43˚C)
Between pins “8” and “9” :  About 23.1k~162k 
Ω
 (0~43˚C)
Between pins “11” and “12” :  Open
Fuser Unit
Upper roller Heater
Thermostat
Upper thermistor
Lower thermistor
Frame thermistor
Fuse
Pins