Kyocera FS-1350DN Service Manual page 42

2H4
Code
2000 Main motor error
The main motor ready input is not given
for 2 s during the main motor is ON.
4000 Polygon motor (laser scanner unit)
error
The polygon motor ready input is not
given for 6 s during the polygon motor is
ON.
4200 BD error (laser scanner unit) error
6000 Broken fuser heater lamp wire
The fuser temperature does not rise after
the fuser heater lamp has been turned
on.
6020 Abnormally high fuser thermistor
temperature
Fuser thermistor detects abnormally
temperature.
1-4-4
Contents
Causes Check procedures/corrective measures
Defective harness Reinsert the connector. Also check for conti-
between main nuity within the connector harness. If none,
motor (CN1) and remedy or replace the harness.
control PWB
(YC305), or
improper connec-
tor insertion.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem of the main gears. Check for broken gears and replace if
motor. any.
Defective main Replace the main motor (See page 1-5-28).
motor.
Defective control Replace the control PWB (See page 1-5-
PWB. 19).
Defective harness Reinsert the connector. Also check for conti-
between polygon nuity within the connector harness. If none,
motor and control remedy or replace the harness.
PWB (YC319), or
improper connec-
tor insertion.
Defective laser Replace the laser scanner unit (See page 1-
scanner unit. 5-29).
Defective control Replace the control PWB (See page 1-5-
PWB. 19).
Defective laser Replace the laser scanner unit (See page 1-
scanner unit. 5-29).
Defective control Replace the control PWB (See page 1-5-
PWB. 19).
Poor contact in the Reinsert the connector (See page 1-5-16).
fuser thermistor
connector termi-
nals.
Poor contact in the Reinsert the connector (See page 1-5-16).
fuser heater lamp
connector termi-
nals.
Fuser thermistor Replace the fuser unit (See page 1-5-16).
installed incor-
rectly.
Fuser thermal cut- Replace the fuser unit (See page 1-5-16).
out triggered.
Fuser heater lamp Replace the fuser unit (See page 1-5-16).
installed incor-
rectly.
Broken fuser Replace the fuser unit (See page 1-5-16).
heater lamp wire.
Shorted fuser ther- Replace the fuser unit (See page 1-5-16).
mistor.
Defective control Replace the control PWB (See page 1-5-
PWB. 19).
Remarks