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Code
Contents
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.
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.
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.
Service Manual
Causes
Defective connec-
Reinsert the connector. Also check for conti-
tor cable or poor
nuity within the connector cable. If none,
contact in the con-
replace the cable.
nector.
IH coil unit and IHPWB
IHPWB and engine PWB (YC30)
Deformed connec-
If the I/F connector pins of the fuser unit and
tor pin.
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
Reinsert the fuser unit (see page 1-5-17).
triggered.
Broken fuser
heater wire.
Defective PWB.
Replace the IH PWB or the engine PWB and
check for correct operation (see page 1-5-
51, 1-5-33).
Deformed connec-
If the I/F connector pins of the fuser unit and
tor pin.
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
Replace the fuser unit (see page 1-5-17).
thermistor.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-33).
Defective connec-
Reinsert the connector. Also check for conti-
tor cable or poor
nuity within the connector cable. If none,
contact in the con-
replace the cable.
nector.
Fuser thermister2 and fuser PWB (YC2)
Fuser unit and engine PWB (YC30)
Deformed connec-
If the I/F connector pins of the fuser unit and
tor pin.
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
Replace the fuser unit (see page 1-5-17).
thermistor.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-33).
1-4-38
Check procedures/
corrective measures
2NP
Y116141-8
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