Kyocera FS C5020N - Color LED Printer Service Manual page 66

2F3/2F4
Code
6130 Fuser thermistor 2 broken error
(press roller)
(16 ppm • It was judged it has been broken from
printer the fact that it is not the input signal
from of the fuser thermistor 2 which
only)
detects the fuser temperature of the
press roller.
6400 Zero cross signal error
• The zero cross signal which from the
POWER supply PWB is outputted to
the engine controller PWB (A0004)
was not detected.
7001 Toner motor 4 overcurrent detection
error (black toner)
• The engine controller PWB (A0004)
detected the overcurrent of toner
motor 4.
1-5-14
Contents
Causes Check procedures/corrective measures
Defective engine Replace the engine controller PWB (A0004).
controller PWB See page 1-6-41.
(A0004).
Defective harness Check harness of the fuser PWB (KP-970),
of the fuser PWB check the connection YC693 connector of
between fuser the fuser PWB (KP-970), if there is trouble,
thermistor 2 or remedy or replace.
poor contact of the
connector
terminals.
Defective harness Check the continuity of the harness
(S02854) between (S02854), check the connection YC691 con-
fuser PWB and nector of the fuser PWB (KP-970), if there is
fuser connector or trouble, remedy or replace.
poor contact of the
connector
terminals.
Defective harness Check the continuity of the harness
(S02853) power (S02853), check the connection YC902 con-
supply PWB and nector of the power supply PWB, if there is
fuser connector or trouble, remedy or replace.
poor contact of the
connector termi-
nals.
Defective fuser Replace the fuser PWB (KP-970).
PWB (KP-970).
Defective power Replace the power supply PWB. See page
supply PWB. 1-6-41.
Defective installa- Check the installation condition of fuser ther-
tion condition of mistor 2, if there is trouble, remedy or
fuser thermistor 2. replace. See page 1-6-26.
Defective power Replace the power supply PWB. See page
supply PWB. 1-6-41.
Defective engine Replace the engine controller PWB (A0004).
controller PWB See page 1-6-41.
(A0004).
Defective toner Replace the toner motor 4. See page See
motor 4. page 1-6-50.
Defective engine Replace the engine controller PWB (A0004).
controller PWB See page 1-6-41.
(A0004).
Lump of toner Replace the black toner container.
inside black toner
container or defec-
tiveness of toner
replenishment
drive system.
Remarks