Kyocera FS-2000D - Page 62

2F8/2F9/2GA-5
1-4-6
6120 Abnormally high fuser thermistor S
temperature
*35/37 and 45/47 ppm printers (EUR/
USA model) only
The temperature of the fuser thermistor
S detects 250
°C/482°F or more continu-
ously for 3 s.
Shorted fuser ther-
mistor S.
Measure the resistance. If it is 0 Ω, replace
the fuser thermistor S (See page P.1-5-19).
Defective engine
PWB.
Replace the engine PWB (See page P.1-5-
22).
6130 Broken fuser thermistor S wire
*35/37 and 45/47 ppm printers (EUR/
USA model) only
Input from fuser thermistor S is less than
1 (A/D value) for more than 1 s.
Poor contact in the
fuser thermistor S
connector termi-
nals.
Reinsert the connector (See page P.1-5-19).
Broken fuser ther-
mistor S wire.
Measure the resistance. If it is ∞ Ω, replace
the fuser thermistor S (See page P.1-5-19).
Fuser thermistor S
installed incor-
rectly.
Check and reinstall if necessary (See page
P.1-5-19).
6400 Zero cross signal error
The ZCROSS signal does not reach the
engine PWB for more than 2 s.
Defective harness
between connect-L
PWB (YC8) and
engine PWB (YC3),
or improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective connec-
tion between
power source unit
(YC103) and con-
nect-L PWB (YC1).
Reinsert the connector.
Defective power
source unit.
Replace the power source unit (See page
P.1-5-28).
Defective engine
PWB.
Replace the engine PWB (See page P.1-5-
22).
7000 Toner motor lock error
A motor over-current signal is detected
continuously for 5 seconds since the
toner motor is activated.
Lump of toner
inside toner con-
tainer.
Replace the toner container.
Defective toner
replenishment
drive system.
Replace the developer unit (See page P.1-5-
9).
Defective toner
motor.
Replace the developer unit (See page P.1-5-
9).
Defective engine
PWB.
Replace the engine PWB (See page P.1-5-
22).
7410 Drum unit non- installing error
The drum unit is not installed or not
installed properly.
The drum PWB EEPROM does not com-
municate normally.
The drum unit is
not installed.
Install the drum unit (See page P.1-5-10).
Defective connec-
tion drum PWB
(YC1) and con-
nect-L PWB (YC3).
Check the connection of connectors drum
PWB (YC1) and connect-L PWB (YC3).
(See page P.1-4-9, refer to figure 1-4-5)
Defective drum
PWB EEPROM.
Replace the drum unit (See page P.1-5-10).
Defective engine
PWB.
Replace the engine PWB (See page P.1-5-22).
Code Contents
Remarks
Causes Check procedures/corrective measures