Kyocera AK-730 Service Manual page 46

Code Contents
8130 DF shift release motor error
When the DF shift release
motor is driven, DF shift
release sensor does not turn
on within 1 s.
8140 DF tray motor error 1
When the main tray has
started ascending, DF tray
sensor 1 or DF tray upper sur-
face sensor does not turn on
within 20 s.
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Causes
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective DF shift
release sensor.
Defective DF shift
release motor.
Defective DF main
PWB.
Defective connec-
tor cable or poor
contact in the con-
nector (4000-sheet
finisher).
Defective connec-
tor cable or poor
contact in the con-
nector (1000-sheet
finisher).
Defective sensor.
Defective DF tray
motor.
Defective DF main
PWB.
1-4-14
Check procedures/
corrective measures
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
DF shift release motor and DF main PWB
(YC14)
DF shift release sensor and DF main PWB
(YC23)
Replace the DF shift release sensor.
Replace the DF shift release motor.
Replace the DF main PWB and check for
correct operation.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
DF tray motor and DF main PWB (YC16)
DF tray sensor 1 and DF main PWB (YC22)
DF tray upper surface sensor and DF main
PWB (YC21, YC13)
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
DF tray motor and DF main PWB (YC14)
DF tray sensor 1 and DF main PWB (YC20)
DF tray upper surface sensor and DF main
PWB (YC18)
Replace DF tray sensor 1 or DF tray upper
surface sensor.
Replace the DF tray motor.
Replace the DF main PWB and check for
correct operation.
3NC/3NB/3NK