Ricoh M281 Series Service Manual page 859

Code Meaning
The other terminal is not
0-15
capable of specific functions.
CFR or FTT not detected after
0-16 modem training in confidential
or transfer mode
Communication was
0-17
interrupted by pressing [Stop]
Facsimile data not received
0-20
within 6 s of retraining
SM
Suggested Cause/Action
The other party is unable to accepting the
following functions, or the other party's memory
is full.

Confidential RX

Transfer function

SEP/SUB/PWD/SID

Check the connection.

Replace the FCU.

Try adjusting the TX level and/or cable
equalizer settings.

The other machine may have
disconnected, or it may be defective. Try
sending to another machine.

If the RX signal level is too low, there may
be a line problem.
Reference:
See error code 0-08.

If [Stop] was not pressed and this error
keeps occurring, replace the operation
panel or the operation panel drive board.

Check the connection.

Replace the FCU.

Check for line problems.

Try calling another fax machine.

Try adjusting the reconstruction time for
the first line and/or RX cable equalizer
setting.
Reference:
Reconstruction time - G3 Switch 0A, Bit 6
RX cable equalizer - G3 Switch 07 (PSTN)
25
Error Codes
D255/D256 FAX OPTION