2MN/2N1
1-4-75
8160 DF tray motor error 3
When the main tray has
descended, DF tray sensor 3
does not turn on within 20 s.
Defective connec-
tor cable or poor
contact in the con-
nector (4000-sheet
finisher).
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)
Defective connec-
tor cable or poor
contact in the con-
nector (1000-sheet
finisher).
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)
Defective DF tray
sensor 3.
Replace DF tray sensor 3.
Defective DF tray
motor.
Replace the DF tray motor.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.
8170 DF side registration motor 1
error 1
When initial operation, DF
side registration sensor 1
does not turn on within 3 s.
Defective connec-
tor cable or poor
contact in the con-
nector (4000-sheet
finisher).
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
DF side registration motor 1 and DF main
PWB (YC15)
DF side registration sensor 1 and DF main
PWB (YC22)
Defective connec-
tor cable or poor
contact in the con-
nector (1000-sheet
finisher).
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
DF side registration motor 1 and DF main
PWB (YC11)
DF side registration sensor 1 and DF main
PWB (YC20)
Defective DF side
registration sensor
1.
Replace DF side registration sensor 1.
Defective DF side
registration motor
1.
Replace DF side registration motor 1.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.
Code Contents Causes
Check procedures/
corrective measures