Olivetti DF-790 Service Manual page 67

Code Contents
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.
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.
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.
Y113480-7
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 eject release motor and DF main PWB
finisher). (YC12)
DF bundle discharge sensor and DF main
PWB (YC22)
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 (1000-sheet DF eject release motor and DF main PWB
finisher). (YC10)
DF bundle discharge sensor and DF main
PWB (YC20)
Defective DF bun- Replace the DF bundle discharge sensor.
dle discharge sen-
sor.
Defective DF eject Replace the DF eject release motor.
release 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. DF shift motor 1 and DF main PWB (YC14)
DF shift sensor 1 and DF main PWB (YC23)
Defective DF shift Replace the DF shift sensor 1.
sensor 1.
Defective DF shift Replace the DF shift motor 1.
motor 1.
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. DF shift motor 2 and DF main PWB (YC14)
DF shift sensor 2 and DF main PWB (YC23)
Defective DF shift Replace the DF shift sensor 2.
sensor 2.
Defective DF shift Replace the DF shift motor 2.
motor 2.
Defective DF main Replace the DF main PWB and check for
PWB. correct operation.(see page 1-5-2)
1-4-14
3NB/3ND/3N0/3NK
Check procedures/
corrective measures
Sevice Manual