Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1
1-4-50
4600 LSU cleaning motor error
After LSU cleaning motor is
driven, the ready signal does
not turn to L within 2 s.
After LSU cleaning motor is
stabilized, the ready signal is
at the H level for 1 s continu-
ously.
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.
LSU cleaning motor and engine PWB
(YC21)
Defective drive
transmission sys-
tem of motor.
Check if the gears rotate smoothly. If not,
grease the bushes and gears. Check for
broken gears and replace if any.
Defective LSU
cleaning motor.
Replace the LSU cleaning motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
5101 Main high-voltage error K
Measure the inflowing current
when Vpp is varied in 3 steps
and verify if the difference of
the currents of 0 and step 2 is
less than 42 (51 if lower high-
voltage board).
Improper installa-
tion charger roller
unit K.
Reinstall the charger roller unit K.
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.
High voltage PWB 1 (YC4) and engine PWB
(YC17)
Defective high volt-
age PWB 1.
Replace the high voltage PWB 1 and check
for correct operation (see page 1-5-54).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
5102 Main high-voltage error C
Measure the inflowing current
when Vpp is varied in 3 steps
and verify if the difference of
the currents of 0 and step 2 is
less than 42 (51 if lower high-
voltage board).
Improper installa-
tion charger roller
unit C.
Reinstall the charger roller unit C.
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.
High voltage PWB 1 (YC2) and engine PWB
(YC16)
Defective high volt-
age PWB 1.
Replace the high voltage PWB 1 and check
for correct operation (see page 1-5-54).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Code Contents Causes
Check procedures/
corrective measures

Kyocera ECOSYS FS-C8650DN Specifications

General

Brand	Kyocera
Model	ECOSYS FS-C8650DN
Category	Printer
Language	English