Kyocera FS-C8520MFP Service Manual page 208

Code Contents
4013 Polygon motor (M) startup
error
Polygon motor (M) is not sta-
bilized within 10 s since the
motor is activated.
4014 Polygon motor (Y) startup
error
Polygon motor (Y) is not stabi-
lized within 10 s since the
motor is activated.
4101 BD initialization problem (K)
BD is not detected within one
second after the polygon
motor stabilizes.
4102 BD initialization problem (C)
BD is not detected within one
second after the polygon
motor stabilizes.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Laser scanner unit (M) and LSU connect
PWB(YC7)
LSU connect PWB and engine PWB (YC12)
Defective motor. Replace the Laser scanner unit (M).
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-32).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Laser scanner unit (Y) and LSU connect
PWB(YC8)
LSU connect PWB and engine PWB (YC12)
Defective motor. Replace the Laser scanner unit (Y).
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-32).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. BDPWB and APCPWB
APCPWB and LSU connect PWB (YC1)
LSU connect PWB and engine PWB (YC12)
Defective Replace the Laser scanner unit (K).
APCPWB. (see page 1-5-20)
Defective BDPWB.
Defective Main Replace the main PWB and check for cor-
PWB. rect operation (see page 1-5-31).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. BDPWB and APCPWB
APCPWB and LSU connect PWB (YC2)
LSU connect PWB and engine PWB (YC12)
Defective Replace the Laser scanner unit (C).
APCPWB. (see page 1-5-20)
Defective BDPWB.
Defective Main Replace the main PWB and check for cor-
PWB. rect operation (see page 1-5-31).
1-4-20
Check procedures/
corrective measures
2MY/2MZ