Kyocera ECOSYS FS-C8650DN Service Manual

2MN/2N1
1-4-48
4102 BD initialization error C
After polygon motor C is
driven, the BD signal is not
detected for 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit and LSU relay PWB
(YC10)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB
C.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
4103 BD initialization error M
After polygon motor M is
driven, the BD signal is not
detected for 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit and LSU relay PWB
(YC8)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB
M.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
4104 BD initialization error Y
After polygon motor Y is
driven, the BD signal is not
detected for 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit and LSU relay PWB
(YC12)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB
Y.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
4201 BD steady-state error K
The BD signal is not detected.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit and LSU relay PWB
(YC5)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB
K.
Replace the laser scanner unit (see page 1-
5-17).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Code Contents Causes
Check procedures/
corrective measures

Kyocera ECOSYS FS-C8650DN Specifications

General

Brand	Kyocera
Model	ECOSYS FS-C8650DN
Category	Printer
Language	English