Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1-1
1-4-58
6950 Fuser IH PWB communica-
tion error
No response is received in 30
ms since a command is sent
to IHCPU.
A checksum error is detected
10 times in succession.
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.
Fuser IH PWB (YC4) and engine PWB
(YC26)
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6960 Current PWB error
Less than 1A is continuously
observed for 5 s.
Defective current
PWB.
Replace the current PWB and check for cor-
rect operation.
6990 Fuser power supply incom-
patibility
Information won’t match
between the engine backup
and the fuser IH PWB.
Differences in set-
tings after initializa-
tion
When this has happened after initialization
using U201, make settings identical with the
voltages on the IH PWB using U169.
Defective fuser IH
PWB.
Replace the fuser IH PWB and check for
correct operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Data damage of
EEPROM.
Contact the Service Administrative Division.
7001 Toner motor K error
When the toner motor K is
driven, the pulse sensor is not
detected for 15 times in 200
ms intervals has occurred in
15 times.
During the toner motor is
driven, an event in which
TMOT_LOCK turns to H
(locked) 5 times has occurred
in 15 sets.
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.
Toner motor K and engine PWB (YC27)
Defective screw
sensor K.
Replace the screw sensor K.
Defective toner
motor K.
Replace the toner motor K.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
7002 Toner motor C error
When the toner motor K is
driven, the pulse sensor is not
detected for 15 times in 200
ms intervals has occurred in
15 times.
During the toner motor is
driven, an event in which
TMOT_LOCK turns to H
(locked) 5 times has occurred
in 15 sets.
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.
Toner motor C and engine PWB (YC27)
Defective screw
sensor C.
Replace the screw sensor C.
Defective toner
motor C.
Replace the toner motor C.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Code Contents Causes
Che
ck procedures/
corrective measures

Kyocera ECOSYS FS-C8650DN Specifications

General

Brand	Kyocera
Model	ECOSYS FS-C8650DN
Category	Printer
Language	English