Kyocera 255b, Руководство по обслуживанию

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2K3/2L3
1-4-14
6020 Abnormally high fuser
thermistor temperature
The fuser thermistor detects a
temperature higher than
230°C/446°F continuously for
40 ms.
High fuser temperature signal
detects a temperature of
255°C/491°F continuously for
40 ms.
Deformed connec-
tor pin. See page 1-4-15.
Defective triac. See page 1-4-15.
Shorted fuser
thermistor. Replace the fuser unit (see page 1-5-21).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
6030 Broken fuser thermistor
wire
A/D value of the fuser thermis-
tor exceeds 251 bit continu-
ously for 7 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 heater and power source PWB
(YC102)
Fuser unit and engine PWB (YC7)
Deformed connec-
tor pin. See page 1-4-15.
Defective triac. See page 1-4-15.
Defective fuser
thermistor. Replace the fuser unit (see page 1-5-21).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
6050 Abnormally low fuser
thermistor temperature
As the stable temperature has
reached the second time, the
decrease in the fuser thermis-
tor temperature of 60°C/140°F
or greater is detected for one
second.
Deformed connec-
tor pin. See page 1-4-15.
Defective triac. See page 1-4-15.
Defective fuser
thermistor. Replace the fuser unit (see page 1-5-21).
Defective fuser
heater.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
Code Contents Causes
Check procedures/
corrective measures