Broken Developer Thermistor C Wire; Broken Developer Thermistor M Wire; Broken Developer Thermistor Y Wire; Short-Circuited Developer Thermistor K - Kyocera FS-C8600DN Service Manual

Code Contents
7242 Broken developer thermis-
tor C wire
The sensor input sampling is
greater than 230.
7243 Broken developer thermis-
tor M wire
The sensor input sampling is
greater than 230.
7244 Broken developer thermis-
tor Y wire
The sensor input sampling is
greater than 230.
7251 Short-circuited developer
thermistor K
The sensor input sampling is
less than 69.
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. Developer unit C and front PWB (YC13)
Front PWB (YC2) and engine PWB (YC10)
Defective devel- Replace developer unit C (see page 1-5-29).
oper thermistor C.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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. Developer unit M and front PWB (YC11)
Front PWB (YC2) and engine PWB (YC10)
Defective devel- Replace developer unit M (see page 1-5-
oper thermistor M. 29).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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. Developer unit Y and front PWB (YC15)
Front PWB (YC2) and engine PWB (YC10)
Defective devel- Replace developer unit Y (see page 1-5-29).
oper thermistor Y.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
Defective connec- Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
tor cable or poor
contact in the con- replace the cable.
nector. Developer unit K and front PWB (YC9)
Front PWB (YC2) and engine PWB (YC10)
Defective devel- Replace developer unit K (see page 1-5-29).
oper thermistor K.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
1-4-64
Check procedures/
corrective measures
2MN/2N1