Short-Circuited Developer Thermistor C; Short-Circuited Developer Thermistor M; Short-Circuited Developer Thermistor Y Wire; Developer Unit K/C Type Mismatch Error - Kyocera FS-C8600DN Service Manual

Code Contents
7252 Short-circuited developer
thermistor C
The sensor input sampling is
less than 69.
7253 Short-circuited developer
thermistor M
The sensor input sampling is
less than 69.
7254 Short-circuited developer
thermistor Y wire
The sensor input sampling is
less than 69.
7401 Developer unit K type mis-
match error
Absence of the developer unit
K is detected.
7402 Developer unit C type mis-
match error
Absence of the developer unit
C is detected.
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-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Developer unit K and front PWB (YC9)
Front PWB (YC2) and engine PWB (YC10)
Different type of Install the correct developer unit.
the developer unit
is installed.
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)
Different type of Install the correct developer unit.
the developer unit
is installed.
1-4-65
Check procedures/
corrective measures
2MN/2N1