3NB/3ND/3N0/3NK
1-4-17
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.(see page 1-5-2)
8180
DF side registration motor 1
error 2
JAM6810 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.
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.(see page 1-5-2)
Code
Contents
Causes
Check procedures/
corrective measures
Service Manual Y113480-7
Summary of Contents for DF-790
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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