2F3/2F4
1-5-12
6020
Fuser abnormal high temperature
error (heat roller)
• Abnormal high fuser temperature of
the heat roller was detected.
Defective engine
controller PWB
(A0004).
Replace the engine controller PWB (A0004).
See page 1-6-41.
Defective fuser
PWB.
Replace the fuser PWB (KP-970*
1
/A0003*
2
).
Defective power
supply PWB
(A0004).
Replace the power supply PWB. See page
1-6-41.
Defective installa-
tion condition of
fuser thermistor 1.
Check the installation condition of fuser ther-
mistor 1,if there is trouble, remedy or
replace. See page 1-6-26 or 1-6-33.
6030
Fuser thermistor 1 broken error (heat
roller)
• It was judged it has been broken from
the fact that it is not the input signal
from of the fuser thermistor 1 which
detects the fuser temperature of the
heat roller.
Defective engine
controller PWB
(A0004).
Replace the engine controller PWB (A0004).
See page 1-6-41.
Check harness of the fuser PWB (KP-970*
1
/
A0003*
2
), check the conenction YC694
connector of the fuser PWB (KP-970*
1
/
A0003*
2
), if there is trouble, remedy or
replace.
Defective harness
(S02854) between
fuer PWB and fuser
connector or poor
contact of the
connector
terminals.
Check the continuity of the harness
(S02854), check the connection YC691 con-
nector of the fuser PWB (KP-970*
1
/A0003*
2
),
if there is trouble, remedy of replace.
Defective harness
(S02853) power
supply PWB and
fuser connector or
poor contact of the
connector termi-
nals.
Check the continuity of the harness
(S02853), check the connection YC902 con-
nector of the power supply PWB, if there is
trouble, remedy or replace.
Defective fuser
PWB.
Defective power
supply PWB.
Replace the power supply PWB. See page
1-6-35.
Defective installa-
tion condition of
fuser thermistor 1.
Check the installation condition of fuser ther-
mistor 1, if there is trouble, remedy or
replace. See page 1-6-26 or 1-6-33.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Defective harness
of the fuser PWB
between fuser ther-
mistor 1 or poor
contact of the
connector
terminals.
Replace the fuser PWB (KP-970*
1
/A0003*
2
).
*
1
: 16 ppm printer, *
2
: 24 ppm printer
Содержание C5020N - FS Color LED Printer
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