Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1
1-4-53
6130 Broken fuser thermistor 4
wire
Input from fuser thermistor 4
is 992 or more (A/D value)
continuously for 60 s.
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 unit and engine PWB (YC26)
Broken fuser
thermistor 4 wire.
Replace the fuser unit (see page 1-5-40).
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6150 Abnormally low fuser
thermistor 4 temperature
Fuser thermistor 4 detects a
temperature lower than 30°C/
86°F for 1 s after 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 unit and engine PWB (YC26)
Defective fuser
thermistor 4.
Replace the fuser unit (see page 1-5-40).
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
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 420 s in warming up
after reached to 100° C/212
°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.
Power source PWB (YC3) and fuser IH
PWB (YC1)
Fuser IH PWB (YC4) and engine PWB
(YC26)
Fuser thermostat
triggered.
Replace the fuser unit (see page 1-5-40).
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6220 Abnormally high fuser
thermistor 2 temperature
Fuser thermistor 2 detects a
temperature higher than
245°C/473°F for 1 s.
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 unit and engine PWB (YC26)
Shorted fuser
thermistor 2.
Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Code Contents Causes
Check procedures/
corrective measures

Kyocera ECOSYS FS-C8650DN Specifications

General

Brand	Kyocera
Model	ECOSYS FS-C8650DN
Category	Printer
Language	English