Kyocera FS-3040MFP

2LW/2LX-2
1-4-12
6220 Abnormally high fuser
thermistor 1 temperature
The temperature of the
fuser thermistor 1 detects
255°C/491°F or more con-
tinuously for 3 s.
Shorted fuser
thermistor 1.
Replace the fuser unit (see page 1-5-29).
Defective engine
PWB.
Replace the engine PWB and check for correct
operation (see page 1-5-30).
6230 Broken fuser thermistor 1
wire
average AD value input
from fuser thermistor 1 for
1.8 seconds is less than
one.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for continu-
ity within the connector cable. If none, remedy
or replace the cable.
Fuser unit and engine PWB (YC506)
Broken fuser
thermistor 1 wire.
Replace the fuser unit (see page 1-5-29).
Fuser thermostat
triggered.
Reinsert the fuser unit (see page 1-5-29).
Broken fuser
heater wire.
Replace the fuser unit (see page 1-5-29).
6400 Zero-cross signal error
The zero-cross signal does
not reach the engine PWB
for more than 2 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for continu-
ity within the connector cable. If none, remedy
or replace the cable.
Power source PWB (YC103) and connect-L
PWB (YC1)
Connect-L PWB (YC8) and engine PWB
(YC503)
Defective power
source PWB.
Replace the power source PWB and check for
correct operation (see page 1-5-37).
Defective engine
PWB.
Replace the engine PWB and check for correct
operation (see page 1-5-30).
7000 Toner motor lock error
During driving the toner
motor, a motor overcurrent
signal is detected for 5 s.
Lump of toner
inside toner con-
tainer.
Replace the toner container.
Defective drive
transmission sys-
tem of the toner
motor.
Replace the developing unit (see page 1-5-25).
Defective toner
motor.
Replace the developing unit (see page 1-5-25).
Defective engine
PWB.
Replace the engine PWB and check for correct
operation (see page 1-5-30).
Code Contents Causes
Check procedures/
corrective measures