Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1
1-4-67
7800 Broken outer temperature
sensor 1 wire
The device did not respond for
more than 5 ms during
reading, in 5 times.
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.
Outer temperature sensor 1 and front PWB
(YC16)
Front PWB (YC2) and engine PWB (YC10)
Defective outer
temperature sen-
sor 1.
Replace outer temperature sensor 1.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
7901 Drum K 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.
Drum PWB K and front PWB (YC7)
Front PWB (YC2) and engine PWB (YC10)
Defective drum
PWB K.
Replace the drum unit K (see page 1-5-29).
7902 Drum C 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.
Drum PWB C and front PWB (YC12)
Front PWB (YC2) and engine PWB (YC10)
Defective drum
PWB C.
Replace the drum unit C (see page 1-5-29).
7903 Drum 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.
Drum PWB M and front PWB (YC10)
Front PWB (YC2) and engine PWB (YC10)
Defective drum
PWB M.
Replace the drum unit M (see page 1-5-29).
Code Contents Causes
Check procedures/
corrective measures

Kyocera ECOSYS FS-C8650DN Specifications

General

Brand	Kyocera
Model	ECOSYS FS-C8650DN
Category	Printer
Language	English