Kyocera FS-C8600DN - Developer Unit M EEPROM Error; Developer Unit y EEPROM Error; Laser Scanner Unit C EEPROM Error; Laser Scanner Unit K EEPROM Error

2MN/2N1
1-4-69
7913 Developer unit M EEPROM
error
No response is issued from
the device in reading/writing
for 5 ms or more and this
problem is repeated five times
successively.
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
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.
Developer unit M and front PWB (YC11)
Front PWB (YC2) and engine PWB (YC10)
Defective devel-
oper unit M.
Replace the developer unit M (see page 1-5-
29).
7914 Developer unit Y EEPROM
error
No response is issued from
the device in reading/writing
for 5 ms or more and this
problem is repeated five times
successively.
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
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.
Developer unit Y and front PWB (YC15)
Front PWB (YC2) and engine PWB (YC10)
Defective devel-
oper unit Y.
Replace the developer unit Y (see page 1-5-
29).
7941 Laser scanner unit K
EEPROM error
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
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.
APC PWB K and LSU relay PWB (YC5)
LSU relay PWB (YC2) and engine PWB
(YC11)
Defective APC
PWB K.
Replace the laser scanner unit (see page 1-
5-17).
7942 Laser scanner unit C
EEPROM error
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
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.
APC PWB C and LSU relay PWB (YC10)
LSU relay PWB (YC2) and engine PWB
(YC11)
Defective APC
PWB C.
Replace the laser scanner unit (see page 1-
5-17).
Code Contents Causes
Check procedures/
corrective measures