Bd Steady-State Error C; Bd Steady-State Error M; Bd Steady-State Error Y; Polygon Motor Phase Error - Kyocera FS-C8600DN Service Manual

Code Contents
4202

BD steady-state error C

The BD signal is not detected.
4203

BD steady-state error M

The BD signal is not detected.
4204

BD steady-state error Y

The BD signal is not detected.
4300

Polygon motor phase error

ASIC won't settle in comple-
tion of phase adjustment for 2
s after a BD signal is
detected.
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 and LSU relay PWB
(YC10)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB Replace the laser scanner unit (see page 1-
C. 5-17).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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 and LSU relay PWB
(YC8)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB Replace the laser scanner unit (see page 1-
M. 5-17).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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 and LSU relay PWB
(YC12)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB Replace the laser scanner unit (see page 1-
Y. 5-17).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
Defective laser Replace the laser scanner unit (see page 1-
scanner unit. 5-17).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
1-4-49
Check procedures/
corrective measures
2MN/2N1