2NM/2NX/2NY/2NZ/2P0/2P6
1-4-34
6020 Abnormally high fuser
thermistor 2 temperature
(Center)
(50/60 ppm model only)
Fuser thermistor 2 detects a
temperature higher than
235°C/455°F.
In a heater-off state, the
detection temperature of fuser
thermistor 2 is higher than
195°C/383°F after the detec-
tion temperature of fuser
thermistor 2 was 155°C/311°F
or less.
Fuser unit 1. 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)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Fuser unit (see page 1-5-
44).
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).
Code Contents Related parts
Check procedures/
corrective measures