Ricoh D131 Service Manual page 953

Code
0-04 CFR or FTT not received after
modem training
0-05 Modem training fails even G3
shifts down to 2400 bps.
0-06 The other terminal did not
reply to DCS
SM
Meaning Suggested Cause/Action

Check the line connection.

Try changing the TX level and/or cable
equalizer settings.

Replace the FCU.

The other terminal may be faulty; try
sending to another machine.

If the RX signal is weak or defective, there
may be a bad line.
Cross reference
Tx level - NCU Parameter 01 (PSTN)
Cable equalizer - G3 Switch 07 (PSTN)
Dedicated Tx parameters in Service Program
Mode

Check the line connection.

Try adjusting the TX level and/or cable
equalizer.

Replace the FCU.

Check for line problems.
Cross reference
See error code 0-04.

Check the line connection.

Try adjusting the TX level and/or cable
equalizer settings.

Replace the FCU.

The other end may be defective or
incompatible; try sending to another
machine.

Check for line problems.
Cross reference
See error code 0-04.
61 D619