Kyocera FS-6025MFP/B Service Manual page 136

Code Contents
3100 ISU home position error
The home position is not cor-
rect when the power is turned
on or at the start of copying
using the table.
3200 Exposure lamp error
When input value at the time
of exposure lamp illumination
does not exceed the threshold
value between 5 s.
3500 Communication error
between scanner and ASIC
An error code is detected 3
times in succession.
3600 Scanner sequence error
4000 Polygon motor synchroni-
zation error
The polygon motor is not sta-
bilized within 10 s after driving
starts.
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. Home position sensor and engine PWB
(YC13)
Defective home Replace the home position sensor.
position sensor.
Defective ISU Replace the ISU motor.
motor.
Defective CCD Replace the image scanner unit (see page
PWB. 1-5-24).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-34).
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. LED PWB and main PWB (YC112)
CCD PWB and main PWB (YC113)
Defective exposure Replace the image scanner unit (see page
lamp. 1-5-24).
Defective CCD
PWB.
Defective main Replace the main PWB and check for cor-
PWB. rect operation (see page 1-5-33).
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. CCD PWB and main PWB (YC113)
Defective CCD Replace the image scanner unit (see page
PWB. 1-5-24).
Defective main Replace the main PWB and check for cor-
PWB. rect operation (see page 1-5-33).
Defective main Replace the main PWB or the engine PWB
PWB or engine and check for correct operation (see page 1-
PWB. 5-33 or 1-5-34).
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 engine PWB (YC11)
Defective polygon Replace the laser scanner unit (see page 1-
motor. 5-23).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-34).
1-4-12
Check procedures/
corrective measures
2K3/2L3