Ricoh D127 Service Manual page 423

Code Meaning
The signal from the other
end was interrupted for
0-22 more than the acceptable
modem carrier drop time
(default: 200 ms)
Too many errors during
0-23
reception
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
0-33 ECM) is not completed
within 10 minutes.
SM Appendix
Suggested Cause/Action

Check the line connection.

Replace the NCU or FCU.

Defective remote terminal.

Check for line noise or other line problems.

Try adjusting the acceptable modem carrier
drop time.
Cross reference
Acceptable modem carrier drop time - G3 Switch
0A, bits 0 and 1

Check the line connection.

Replace the NCU or FCU.

Defective remote terminal.

Check for line noise or other line problems.

Try asking the other end to adjust their tx level.

Try adjusting the rx cable equalizer setting
and/or rx error criteria.
Cross reference
Rx cable equalizer - G3 Switch 07 (PSTN)
Rx error criteria - Communication Switch 02, bits 0
and 1

Check the line connection.

Try adjusting the tx level and/or cable
equalizer settings.

The other terminal may not be compatible.
Cross reference
Dedicated tx parameters - Section 4

Check the protocol dump list.

Ask the other party to contact the
manufacturer.

Check the line connection.

The other terminal may have a defective
modem/NCU/FCU.
4-5
Fax Error Codes
D127/D128