Kyocera AK-730 Service Manual page 47

Code Contents
8150 DF tray motor error 2
When the main tray has
descended, DF tray sensor 1
or DF tray upper surface sen-
sor does not turn off within
5 s.
8160 DF tray motor error 3
When the main tray has
descended, DF tray sensor 3
does not turn on within 20 s.
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Causes
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.
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 DF tray
sensor 3.
Defective DF tray
motor.
Defective DF main
PWB.
1-4-15
Check procedures/
corrective measures
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.
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 3 and DF main PWB (YC23)
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 3 and DF main PWB (YC20)
Replace DF tray sensor 3.
Replace the DF tray motor.
Replace the DF main PWB and check for
correct operation.
3NC/3NB/3NK