Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1
1-4-62
7222 Broken LSU thermistor C
wire
The sensor input sampling is
greater than 230.
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.
Laser scanner unit and LSU relay PWB
(YC10)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective LSU
thermistor C.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
7223 Broken LSU thermistor M
wire
The sensor input sampling is
greater than 230.
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.
Laser scanner unit and LSU relay PWB
(YC8)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective LSU
thermistor M.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
7224 Broken LSU thermistor Y
wire
The sensor input sampling is
greater than 230.
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.
Laser scanner unit and LSU relay PWB
(YC12)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective LSU
thermistor Y.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
7231 Short-circuited LSU therm-
istor K
The sensor input sampling is
less than 69.
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.
Laser scanner unit and LSU relay PWB
(YC5)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective LSU
thermistor K.
Replace the laser scanner unit (see page 1-
5-17).
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