Ricoh M281 Series Service Manual page 857

Code Meaning
CFR or FTT not received after
0-04
modem training
Modem training fails even G3
0-05
shifts down to 2400 bps.
The other terminal did not
0-06
reply to DCS
SM
Suggested Cause/Action

Check the connection.

Try changing the TX level and/or cable
equalizer settings.

Replace the FCU.

The other machine may be defective. Try
sending to another machine.

If the RX signal is weak or defective, there
may be a bad connection.
Reference:

TX level: NCU Parameter 01 (PSTN)

Cable equalizer: G3 Switch 07 (PSTN)

Dedicated TX parameters in Service
Program Mode

Check the connection.

Try adjusting the TX level and/or cable
equalizer.

Replace the FCU.

Check for line problems.
Reference:
See error code 0-04.

Check the connection.

Try adjusting the TX level and/or cable
equalizer settings.

Replace the FCU.

The other party may be defective or
incompatible; try sending to another
machine.

Check for line problems.
Reference:
See error code 0-04.
23
Error Codes
D255/D256 FAX OPTION