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2KZ/2K0
1-4-25
6200
Broken fuser edge heater
wire
Fuser thermistor 1 does not
reach 50° C/122 °F even
after20 s during warming up.
The detected temperature of
fuser thermistor1 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 20 s in warming up
after reaching 50° C/122 °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 engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
6220
Abnormally high fuser
thermistor 1 (edge) temper-
ature
The fuser temperature
exceeds 240 °C/464 °F 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.
Defective cooling
fan motor.
Replace the fuser fan motor.
Defective fuser
thermistor.
Replace the fuser unit (see page 1-5-18).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
6230
Fuser thermistor 1 (edge)
break error
During warming up a hearter,
fuser thermistor 2 detects a
temperature of 100 °C/212 °F
or higher and, fuser thermistor
1 detects a temperature of 37
°C/99 °F or lower.
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 1 and fuser PWB (YC3)
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 engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
Code
Contents
Causes
Check procedures/
corrective measures
Y113010-4
Sevice Manual