2NM/2NX/2NY/2NZ/2P0/2P6
1-4-33
6000 Broken fuser heater wire
(Center)
(50/60 ppm model)
Fuser thermistor 2 detects a
temperature less than 100°C/
212°F continuously for 30 s
after a warm-up start.
(40 ppm model)
Fuser thermistor 1 detects a
temperature less than 100°C/
212°F continuously for 30 s
after a warm-up start.
Fuser unit 1. Check that no paper jam is present.
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser unit and fuser thermistor connect
PWB (YC2)
Fuser thermistor connect PWB and con-
trol PWB (YC21)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the Fuser unit (see page 1-5-
44).
(Deteriorated sensitivity due to the toner
adhered to the center thermistor.)
Fuser thermistor
connect PWB
Replace the fuser thermistor connect PWB.
Control PWB 1. Check the control software and upgrade
to the latest, if necessary.
2. Replace the control PWB and check for
correct operation (see page 2-2-12).
Power source
PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Power source PWB and connect right
PWB (YC4)
Connect right PWB and control PWB
(YC1)
2. Replace the power source PWB (see
page 2-2-36).
Fuser heater 1. Replace the Fuser unit (see page 1-5-
44).
Code Contents Related parts
Check procedures/
corrective measures