2LV/2L1/2L2/2MS/2MT
1-4-20
6120 Abnormally high fuser
thermistor 1 temperature
(60/50/45 ppm model)
The detection temperature of
fuser thermistor 1 is higher
than 245°C/473°F.
In a heater-off state, the
detection temperature of fuser
thermistor 1 is higher than
195°C/383°F after the detec-
tion temperature of fuser
thermistor 1 was 155°C/311°F
or less.
(40 ppm model)
The detection temperature of
fuser thermistor 1 is higher
than 250°C/482°F.
In a heater-off state, the
detection temperature of fuser
thermistor 1 is higher than
170°C/338°F after the detec-
tion temperature of fuser
thermistor 1 was 155°C/311°F
or less.
Deformed connec-
tor pin.
See page 1-4-19.
Defective triac. See page 1-4-19.
Shorted fuser
thermistor.
Replace the fuser unit (see page 1-5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
6130 Broken fuser thermistor 1
wire
A/D value of the fuser thermis-
tor 1 exceeds 1019 bit contin-
uously for 4 s during warming
up.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Fuser thermistor and fuser thermistor con-
nect PWB
Fuser thermistor connect PWB and engine
PWB (YC21)
Deformed connec-
tor pin.
See page 1-4-19.
Defective triac. See page 1-4-19.
Defective fuser
thermistor.
Replace the fuser unit (see page 1-5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
Code Contents Causes
Check procedures/
corrective measures
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General
Weight and Dimensions
