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2KZ/2K0
1-4-18
3200
Exposure lamp error
The input during the exposure
lamp is turned on does not
exceed the threshold for 5
seconds.
Defective connec-
tor cable or poor
contact of the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If neces-
sary, replace the cable.
LED PWB and main PWB (YC112)
CCD PWB and main PWB (YC113)
Defective exposure
lamp.
Replace the image scanner unit
(see page 1-5-21).
Defective CCD
PWB.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
3500
Communication error
A wrong read-back value.
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.
CCD PWB and main PWB (YC113)
Defective CCD
PWB.
Replace the image scanner unit
(see page 1-5-21).
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
3600
Scanner sequence error
Defective main
PWB or engine
PWB.
Replace the main PWB or the engine PWB
and check for correct operation
(see page 1-5-30 or 1-5-31).
4001
Polygon motor (K) steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
polygon motor (K) stabilizes.
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 (K) and LSU connect
PWB(YC5)
LSU connect PWB and engine PWB (YC12)
Defective motor.
Replace the Laser scanner unit (K).
Defective PWB.
Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-31).
4002
Polygon motor (C) steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
polygon motor (C) stabilizes.
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 (C) and LSU connect
PWB(YC6)
LSU connect PWB and engine PWB (YC12)
Defective motor.
Replace the Laser scanner unit (C).
Defective PWB.
Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-31).
Code
Contents
Causes
Check procedures/
corrective measures
Service Manual Y113010-4