3NB/3ND/3N0/3NK
1-4-14
8100
DF eject release motor error
When the DF eject release
motor is driven, DF bundle
discharge sensor does not
turn on within 1 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 eject release motor and DF main PWB
(YC12)
DF bundle discharge sensor 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 eject release motor and DF main PWB
(YC10)
DF bundle discharge sensor and DF main
PWB (YC20)
Defective DF bun-
dle discharge sen-
sor.
Replace the DF bundle discharge sensor.
Defective DF eject
release motor.
Replace the DF eject release motor.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.(see page 1-5-2)
8110
DF shift motor 1 error
When the DF shift motor 1 is
driven, DF shift sensor 1 does
not turn on within 160 ms.
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.
DF shift motor 1 and DF main PWB (YC14)
DF shift sensor 1 and DF main PWB (YC23)
Defective DF shift
sensor 1.
Replace the DF shift sensor 1.
Defective DF shift
motor 1.
Replace the DF shift motor 1.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.(see page 1-5-2)
8120
DF shift motor 2 error
When the DF shift motor 2 is
driven, DF shift sensor 2 does
not turn on within 160 ms.
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.
DF shift motor 2 and DF main PWB (YC14)
DF shift sensor 2 and DF main PWB (YC23)
Defective DF shift
sensor 2.
Replace the DF shift sensor 2.
Defective DF shift
motor 2.
Replace the DF shift motor 2.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.(see page 1-5-2)
Code
Contents
Causes
Check procedures/
corrective measures
Y113480-7
Sevice Manual
Summary of Contents for AK-730
Page 1: ...SERVICE MANUAL Options DF 790 BF 730 MT 730 AK 730 PH 7C Code Y113480 7 ...
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Page 32: ...3NB 3ND 3N0 3NK 1 2 14 3 Remove tape and pad Figure 1 2 18 Tape Pad Service Manual Y113480 7 ...
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