Olivetti d-Copia 284MF Service Manual page 123

Code
0420 Paper feeder communication error
Communication error between control
PWB and optional paper feeder.
0830 FAX PWB flash program area check-
sum error
A checksum error occurred with the pro-
gram of the FAX PWB.
0840 Faults of RTC
The time is judged to go back based on
the comparison of the RTC time and the
current time or five years or more have
passed.
0870 FAX PWB to control PWB high capac-
ity data transfer problem
High-capacity data transfer between the
FAX PWB and the control PWB of the
machine was not normally performed
even if the data transfer was retried the
specified times.
0920 Fax file system error
The backup data is not retained for file
system abnormality of flash memory of
the FAX PWB.
Y111030-4
Contents
Causes Check procedures/corrective measures
Improper installa- Follow installation instruction carefully again.
tion paper feeder.
Defective harness Reinsert the connector. Also check for conti-
between control nuity within the connector harness. If none,
PWB (YC30) and remedy or replace the harness.
paper feeder inter-
face connector, or
improper connec-
tor insertion.
Defective control Replace the control PWB (See page 1-5-
PWB. 39).
Defective harness Reinsert the connector. Also check for conti-
between PF main nuity within the connector harness. If none,
PWB (YC5) and remedy or replace the harness (Refer to the
paper feeder inter- service manual for the paper feeder).
face connector, or
improper connec-
tor insertion.
Defective PF main- Replace the PF main PWB (Refer to the ser-
PWB. vice manual for the paper feeder).
Defective fax soft- Install the fax software.
ware.
Defective FAX Replace the FAX PWB (See page 1-5-50).
PWB.
Defective control Replace the control PWB (See page 1-5-
PWB. 39).
The battery is dis- Check visually and remedy if necessary.
connected from the
control PWB.
Improper installa- Reinstall the FAX PWB (See page 1-5-50).
tion FAX PWB.
Defective FAX Replace the FAX PWB or control PWB and
PWB or control check for correct operation. (See page 1-5-
PWB. 50 or 1-5-39).
Defective FAX Replace the FAX PWB (See page 1-5-50).
PWB.
Service Manual
Remarks
2JN
1-4-5