Kyocera TASKalfa 2551ci Service Manual page 342

Code Contents
4101 BD initialization problem (K)
BD is not detected within two
seconds after the polygon
motor stabilizes.
4102 BD initialization problem (C)
BD is not detected within two
seconds after the polygon
motor stabilizes.
4103 BD initialization problem
(M)
BD is not detected within two
seconds 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. BDPWB and APCPWB
APCPWB and LSU connect PWB (YC1)
LSU connect PWB and engine PWB (YC13)
Defective Replace the Laser scanner unit (K).
APCPWB. (see page 1-5-20)
Defective BDPWB.
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-39).
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 (YC3)
LSU connect PWB and engine PWB (YC13)
Defective Replace the Laser scanner unit (C).
APCPWB. (see page 1-5-20)
Defective BDPWB.
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-39).
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 (YC13)
Defective Replace the Laser scanner unit (M).
APCPWB. (see page 1-5-20)
Defective BDPWB.
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-39).
1-4-35
Check procedures/
corrective measures
2NP