2MV-1
1-4-25
6000 Broken fuser heater wire
Fuser thermistor 2 does not
reach 80° C/176 °F even
after20 s during warming up.
The detected temperature of
fuser thermistor2 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 200 s in warming up
after reached to 80° C/176 °F.
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.
IH coil unit and IHPWB
IHPWB and engine PWB (YC7)
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
Fuser thermostat
triggered.
Reinsert the fuser unit (see page 1-5-18).
Broken fuser
heater wire.
Defective PWB. Replace the IH PWB or the engine PWB and
check for correct operation (see page 1-5-
53, 1-5-45).
6020 Abnormally high fuser
thermistor 2 (center) tem-
perature
The fuser thermistor 2 detects
a temperature higher than
240°C/464°F continuously for
1 s.
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
Shorted fuser
thermistor.
Replace the fuser unit (see page 1-5-18).
Defective PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-45).
6030 Fuser thermistor 2 (center)
break error
A/D value of the fuser thermis-
tor 2 exceeds 1010 bit contin-
uously for 1 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 thermister2 and fuser PWB (YC2)
Fuser unit and engine PWB (YC22)
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
Defective fuser
thermistor.
Replace the fuser unit (see page 1-5-18).
Defective PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-45).
Code Contents Causes
Check procedures/
corrective measures
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