Kyocera TASKalfa 266ci Service Manual page 156

Code Contents
5304 Broken cleaning lamp Y
wire
When the cleaning lamp Y is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
6000 Broken fuser heater wire
The detected temperature of
fuser thermistor does not rise
1°C/1.8°F after the fuser
heater has been turned on
continuously for 10 s in warm-
ing up.
The fuser temperature does
not reach 100°C/212°F after
the fuser heater has been
turned on continuously for
30 s in warming up.
The detected temperature of
fuser thermistor does not
reach the specified tempera-
ture (ready indication temper-
ature) after the fuser heater
has been turned on continu-
ously for 60 s in warming up.
The detected temperature of
fuser thermistor does not rise
1°C/1.8°F after the fuser
heater has been turned on
continuously for 10 s during
printing.
6020 Abnormally high fuser
thermistor temperature
The fuser thermistor detects a
temperature higher than
240°C/464°F.
By the activation of the high
temperature error detection
circuit (230°C/446°F or more)
of fuser thermistor, the illumi-
nation of fuser heater was
forcibly turned off and 10 s
has elapsed.
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. Drum unit Y and Drum relay PWB (YC5)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning Replace the drum unit Y. (see page 1-5-22).
lamp Y.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-28).
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 heater and power source PWB
(YC102)
Fuser unit and eject PWB (YC3)
Eject PWB (YC1) and engine PWB (YC19)
Deformed connec- See page 1-4-22.
tor pin.
Defective triac. See page 1-4-22.
Fuser thermostat Reinsert the fuser unit (see page 1-5-27).
triggered.
Broken fuser Replace the fuser unit (see page 1-5-27).
heater wire.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-28).
Deformed connec- See page 1-4-22.
tor pin.
Defective triac. See page 1-4-22.
Shorted fuser Replace the fuser unit (see page 1-5-27).
thermistor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-28).
1-4-21
Check procedures/
corrective measures
2PZ