Olivetti DF-790 Service Manual page 74

Code Contents
8340 CF staple motor error
JAM7600 is detected twice.
8350 CF side registration motor 1
error
When initial operation, CF
side registration sensor 1
does not turn on within 1 s.
8360 CF main motor error
During driving the motor, lock
signal is detected for 1 s con-
tinuously.
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. CF staple unit and CF main PWB (YC13)
Defective CF sta- Replace the CF staple unit.
ple sensor.
Defective CF sta-
ple motor.
Defective CF main Replace the CF main PWB and check for
PWB. correct operation.
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 side registration motor 1 and CF main
PWB (YC10)
CF side registration sensor 1 and CF main
PWB (YC20)
Defective CF side Replace CF side registration sensor 1.
registration sensor
1.
Defective CF side Replace CF side registration motor 1.
registration motor
1.
Defective CF main Replace the CF main PWB and check for
PWB. correct operation.
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 motor and CF main PWB (YC16)
Defective CF main Replace the CF main motor.
motor.
Defective CF main Replace the CF main PWB and check for
PWB. correct operation.
1-4-21
3NB/3ND/3N0/3NK
Check procedures/
corrective measures
Y113480-7