Olivetti DF-790 Service Manual page 72

Code Contents
8210 DF slide motor error
When initial operation, DF sta-
ple sensor does not turn on
within 3 s.
8230 DF staple motor error
JAM7000 is detected twice.
8300 Center-folding unit commu-
nication error
Communication with the cen-
ter-folding unit is not possible.
Service Manual
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (4000-sheet DF slide motor and DF main PWB (YC12)
finisher). DF staple sensor and DF main PWB (YC22)
Reinsert the connector. Also check for conti-
Defective connec-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (1000-sheet DF slide motor and DF main PWB (YC10)
finisher). DF staple sensor and DF main PWB (YC20)
Defective DF sta- Replace the DF staple sensor.
ple sensor.
Defective DF slide Replace the DF slide motor.
motor.
Defective DF main Replace the DF main PWB and check for
PWB. correct operation.(see page 1-5-2)
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (4000-sheet Staple unit and DF main PWB (YC17)
finisher).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
Staple unit and DF main PWB (YC11)
nector (1000-sheet
finisher).
Defective DF sta- Replace the staple unit.
ple sensor.
Defective DF sta-
ple motor.
Defective DF main Replace the DF main PWB and check for
PWB. correct operation.(see page 1-5-2)
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. CF main PWB (YC7) and DF main PWB
(YC9)
Defective CF set Replace the CF set sensor.
sensor.
Defective PWB. Replace the CF main PWB or the DF main
PWB and check for correct operation.
1-4-19
3NB/3ND/3N0/3NK
Check procedures/
corrective measures
Y113480-7