Ricoh D072 Service Manual page 506

Code Meaning
The calling terminal fell
back to T.30 mode,
0-74
because it could not detect
ANSam after sending CI.
The called terminal fell
back to T.30 mode,
0-75 because it could not detect
a CM in response to
ANSam (ANSam timeout).
The calling terminal fell
back to T.30 mode,
0-76 because it could not detect
a JM in response to CM
(CM timeout).
The called terminal fell
back to T.30 mode,
0-77 because it could not detect
a CJ in response to JM
(JM timeout).
The called terminal
0-79 detected CI while waiting
for a V.21 signal.
SM Appendix
Suggested Cause/Action
The calling terminal could not detect ANSam
due to noise, etc.
ANSam was too short to detect.
Check the line connection and condition.
Try making a call to another V.8/V.34 fax.
The terminal could not detect ANSam.
Check the line connection and condition.
Try receiving a call from another V.8/V.34 fax.
The called terminal could not detect a CM due
to noise, etc.
Check the line connection and condition.
Try making a call to another V.8/V.34 fax.
The calling terminal could not detect a JM due
to noise, etc.
A network that has narrow bandwidth cannot
pass JM to the other end.
Check the line connection and condition.
Try receiving a call from another V.8/V.34 fax.
Check for line noise or other line problems.
If this error occurs, the called terminal falls
back to T.30 mode.
6-7
Fax Error Codes
D067/D068/D069/D072