Oki Data CONFIDENTIAL
42930511TH Rev. 2 252 /
Fuser Unit
1
Halogen Lamp
7-pole side
3
2
4
5
6
Thermistor
3
4
Thermistor
1
2
Center
Left
Thermistor
Center
6-pole side
3
Fuse
Thermistor
1
2
ID Cooling Fan 1
and
ID Cooling Fan 2
Red
Black
+24V
1
0V
2
M
FANALM-N
3
7-pole side
Pins 1 & 2: Non contact:
4194 to 696.6 kΩ
Pins 3 & 4: Correction:
642 to 122.4 kΩ
Pins 5 & 6: Side thermistor
642.1 to 122.4 kΩ
6-pole side
Pins 1 & 2: Lower thermistor
642.1 to 122.4 kΩ
Both on the 7-pole side and the
6-pole side, the resistances shall be
measured at an ambient temperature
between 0 and 43°C.
Thermostat
1
(Upper)
Thermostat
2
(Lower)
Upper
Roller
Lower
Roller
Heater
Heater
Heater
Halogen
Lamp
Thermistor
Unit Circuit Diagram Parts Diagram Resistance Value