3NB/3ND/3N0/3NK
1-4-16
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.
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 1 and DF main PWB (YC22)
DF tray upper surface sensor and DF main
PWB (YC21, YC13)
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 1 and DF main PWB (YC20)
DF tray upper surface sensor and DF main
PWB (YC18)
Defective sensor.
Replace DF tray sensor 1 or DF tray upper
surface sensor.
Defective DF tray
motor.
Replace the DF tray motor.
Defective DF main
PWB.
Replace the DF main PWB and check for
correct operation.(see page 1-5-2)
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.(see page 1-5-2)
Code
Contents
Causes
Check procedures/
corrective measures
Y113480-7
Sevice Manual
Summary of Contents for DF-790
Page 1: ...SERVICE MANUAL Options DF 790 BF 730 MT 730 AK 730 PH 7C Code Y113480 7...
Page 4: ...This page is intentionally left blank...
Page 10: ...This page is intentionally left blank...
Page 32: ...3NB 3ND 3N0 3NK 1 2 14 3 Remove tape and pad Figure 1 2 18 Tape Pad Service Manual Y113480 7...
Page 34: ...3NB 3ND 3N0 3NK 1 2 16 This page is intentionally left blank Service Manual Y113480 7...
Page 53: ...3NB 3ND 3N0 3NK 1 3 19 This page is intentionally left blank Y113480 7 Sevice Manual...
Page 87: ...3NB 3ND 3N0 3NK 1 4 34 This page is intentionally left blank Y113480 7 Sevice Manual...
Page 93: ...3NB 3ND 3N0 3NK 1 5 6 This page is intentionally left blank Y113480 7 Sevice Manual...
Page 127: ...3NB 3ND 3N0 3NK 2 2 10 This page is intentionally left blank Y113480 7 Sevice Manual...
Page 149: ...3NB 3ND 3N0 3NK 2 3 22 This page is intentionally left blank Y113480 7 Sevice Manual...