Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1
1-4-56
6730 Abnormally high fuser IH
PWB temperature 1
The input detect temperature
is greater than 105°C/221 °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.
Fuser IH PWB (YC4) and engine PWB
(YC26)
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6740 Abnormally high fuser IH
PWB temperature 2
The input detect temperature
is greater than 105°C/221 °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.
Fuser IH PWB (YC4) and engine PWB
(YC26)
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6750 Fuser IH output over-cur-
rent error
The output current is greater
than 90A for 10 ms in succes-
sion.
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 IH PWB (YC4) and engine PWB
(YC26)
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6760 Fuser IH input over-current
error
The input current is greater
than 20A(100V/120V),
10A(200V) for 100 ms in suc-
cession.
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 IH PWB (YC4) and engine PWB
(YC26)
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6770 Fuser IH low electric power
error
The preset power is less than
0.6 times of it for 120 ms in
succession.
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 IH PWB (YC4) and engine PWB
(YC26)
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
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