Kyocera FS-6950DN Service Manual page 49

Code
2000 Main motor error
MMOTRDYN signal does not go low
within 2 s after MMOTONN signal goes
low.
2200 Drum motor error
DMOTRDYN signal does not go low
within 2 s after DMOTONN signal goes
low.
4000 Polygon motor (laser scanner unit)
error
POLRDYN signal does not go low within
2 s after POLONN signal goes low.
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 and engine remedy or replace the harness.
PWB (YC10), or
improper connec-
tor insertion.
Defective main Check if the rollers and gears rotate
motor drive trans- smoothly. If not, grease the bushings and
mission system. gears. Check for broken gears and replace if
any.
Defective main Replace the main motor.
motor.
Defective engine Replace the engine PWB (See page P.1-5-
PWB. 22).
Defective harness Reinsert the connector. Also check for conti-
between drum nuity within the connector harness. If none,
motor and engine remedy or replace the harness.
PWB (YC11), or
improper connec-
tor insertion.
Defective drum Check if the gears rotate smoothly. If not,
motor drive grease the bushings and gears. Check for
transmission broken gears and replace if any.
system.
Defective drum Replace the drum motor.
motor.
Defective engine Replace the engine PWB (See page P.1-5-
PWB. 22).
Defective harness Reinsert the connector. Also check for conti-
between polygon nuity within the connector harness. If none,
motor and main remedy or replace the harness.
PWB (YC10), or
improper connec-
tor insertion.
Defective harness Reinsert the connector. Also check for conti-
between main nuity within the connector harness. If none,
PWB (YC11) and remedy or replace the harness.
engine PWB
(YC12), or
improper connec-
tor insertion.
Defective laser Replace the laser scanner unit (See page
scanner unit. P.1-5-32).
Defective engine Replace the engine PWB (See page P.1-5-
PWB. 22).
Defective main Replace the main PWB (See page P.1-5-
PWB. 26).
Remarks
2F7
1-4-3