Broken Fuser Edge Heater Wire; Broken Fuser Thermistor - Kyocera TASKalfa 3050ci Service Manual

Code Contents
6200 Broken fuser edge heater
wire
Fuser thermistor 2 does not
reach 100° C/212 °F even
after 60 s during warming up.
The detected temperature of
fuser thermistor 2 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 60 s in warming up
after reached to 100° C/212
°F.
6220 Abnormally high fuser
thermistor 2 temperature
Fuser thermistor 2 detects a
temperature higher than
250°C/482°F for 1 s.
6230

Broken fuser thermistor 2

wire
Input from fuser thermistor 2
is 992 or more (A/D value)
continuously for 1 s.
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. Power source PWB (YC3) and fuser IH
PWB (YC1)
Fuser IH PWB (YC4) and engine PWB
(YC26)
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Fuser thermostat Replace the fuser unit (see page 1-5-45).
triggered.
Defective fuser IH. Replace the fuser unit (see page 1-5-45).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Shorted fuser Replace the fuser unit (see page 1-5-45).
thermistor 2.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
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 unit and engine PWB (YC26)
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Broken fuser Replace the fuser unit (see page 1-5-45).
thermistor 2 wire.
Fuser thermostat Replace the fuser unit (see page 1-5-45).
triggered.
Defective fuser IH. Replace the fuser unit (see page 1-5-45).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
1-4-57
2LK/2LN/2LM/2LC
Check procedures/
corrective measures