Lsu Cleaning Motor Error; Main High-Voltage Error K; Main High-Voltage Error C - Kyocera FS-C8600DN Service Manual

Code Contents
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.
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).
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).
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. LSU cleaning motor and engine PWB
(YC21)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of motor. broken gears and replace if any.
Defective LSU Replace the LSU cleaning motor.
cleaning motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
Improper installa- Reinstall the charger roller unit K.
tion charger roller
unit K.
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. High voltage PWB 1 (YC4) and engine PWB
(YC17)
Defective high volt- Replace the high voltage PWB 1 and check
age PWB 1. for correct operation (see page 1-5-54).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
Improper installa- Reinstall the charger roller unit C.
tion charger roller
unit C.
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. High voltage PWB 1 (YC2) and engine PWB
(YC16)
Defective high volt- Replace the high voltage PWB 1 and check
age PWB 1. for correct operation (see page 1-5-54).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
1-4-50
Check procedures/
corrective measures
2MN/2N1