Ricoh M281 Series Service Manual page 861

Code Meaning
The other terminal did not
0-30 reply to NSS(A) in AI short
protocol mode
The other terminal sent a
DCS, which contained
0-32
functions that the receiving
machine cannot handle.
The data reception (not ECM)
0-33 is not completed within 10
minutes.
Polarity changed during
0-52
communication
0-55 FCU does not detect the SG3.
The stored message data
0-56 exceeds the capacity of the
mailbox in the SG3.
The communication mode
specified in CM/JM was not
0-70 available
(V.8 calling and called
terminal)
The calling terminal fell back
to T.30 mode, because it
0-74
could not detect ANSam after
sending CI.
SM
Suggested Cause/Action

Check the connection.

Try adjusting the TX level and/or cable
equalizer settings.

The other terminal may not be compatible.
Reference:
Dedicated TX parameters - Section 4

Check the protocol dump list.

Ask the other party to contact the
manufacturer.

Check the connection.

The other terminal may have a defective
modem/FCU.

Check the connection.
Retry communication.

FCU firmware or board defective.

SG3 firmware or board defective.

SG3 firmware or board defective.

The other terminal did not have a
compatible communication mode (e.g., the
other terminal was a V.34 data modem and
not a fax modem.)

A polling TX file was not ready at the other
terminal when polling RX was initiated
from the calling terminal.

The calling terminal could not detect
ANSam due to noise, etc.

ANSam was too short to detect.

Check the connection and condition.

Try making a call to another V.8/V.34 fax.
27
Error Codes
D255/D256 FAX OPTION