Ricoh D117 Service Manual page 1077

Error Codes
Code Meaning
CFR or FTT not received
0-04
after modem training
Modem training fails even
0-05 G3 shifts down to 2400
bps.
The other terminal did not
0-06
reply to DCS
D649
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.
20 SM