Ricoh D023, Service Manual, Page: 1369 / 1522

Error Codes
D393 28 SM
Code Meaning Suggested Cause/Action
not available
(V.8 calling and called
terminal)
was a V.34 data modem and not a fax
modem.)
ƒ
A polling tx file was not ready at the other
terminal when polling rx was initiated from the
calling terminal.
0-74
The calling terminal fell
back to T.30 mode,
because it could not detect
ANSam after sending CI.
ƒ
The calling terminal could not detect ANSam
due to noise, etc.
ƒ
ANSam was too short to detect.
ƒ
Check the line connection and condition.
ƒ
Try making a call to another V.8/V.34 fax.
0-75
The called terminal fell
back to T.30 mode,
because it could not detect
a CM in response to
ANSam (ANSam timeout).
ƒ
The terminal could not detect ANSam.
ƒ
Check the line connection and condition.
ƒ
Try receiving a call from another V.8/V.34 fax.
0-76
The calling terminal fell
back to T.30 mode,
because it could not detect
a JM in response to CM
(CM timeout).
ƒ
The called terminal could not detect a CM due
to noise, etc.
ƒ
Check the line connection and condition.
ƒ
Try making a call to another V.8/V.34 fax.
0-77
The called terminal fell
back to T.30 mode,
because it could not detect
a CJ in response to JM
(JM timeout).
ƒ
The calling terminal could not detect a JM due
to noise, etc.
ƒ
A network that has narrow bandwidth cannot
pass JM to the other end.
ƒ
Check the line connection and condition.
ƒ
Try receiving a call from another V.8/V.34 fax.
0-79
The called terminal
detected CI while waiting
for a V.21 signal.
ƒ
Check for line noise or other line problems.
ƒ
If this error occurs, the called terminal falls
back to T.30 mode.
0-80 The line was disconnected
due to a timeout in V.34
ƒ
The guard timer expired while starting these
phases. Serious noise, narrow bandwidth, or