3NB/3ND/3N0/3NK
1-4-19
8210
DF slide motor error
When initial operation, DF sta-
ple sensor 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 slide motor and DF main PWB (YC12)
DF staple 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 slide motor and DF main PWB (YC10)
DF staple sensor and DF main PWB (YC20)
Defective DF sta-
ple sensor.
Replace the DF staple sensor.
Defective DF slide
motor.
Replace the DF slide motor.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.(see page 1-5-2)
8230
DF staple motor error
JAM7000 is detected twice.
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.
Staple unit and DF main PWB (YC17)
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.
Staple unit and DF main PWB (YC11)
Defective DF sta-
ple sensor.
Replace the staple unit.
Defective DF sta-
ple motor.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.(see page 1-5-2)
8300
Center-folding unit commu-
nication error
Communication with the cen-
ter-folding unit is not possible.
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.
CF main PWB (YC7) and DF main PWB
(YC9)
Defective CF set
sensor.
Replace the CF set sensor.
Defective PWB.
Replace the CF main PWB or the DF main
PWB and check for correct operation.
Code
Contents
Causes
Check procedures/
corrective measures
Service Manual Y113480-7
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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