Ricoh D649 Field Service Manual page 34

3. Troubleshooting
Code
Polarity changed during
0-52
communication
0-55 FCU does not detect the SG3.
The stored message data
0-56 exceeds the capacity of the
mailbox in the SG3.
The communication mode
specified in CM/JM was not
available
0-70
(V.8 calling and called
terminal)
The calling terminal fell back to
T.30 mode, because it could
0-74
not detect ANSam after
sending CI.
The called terminal fell back to
T.30 mode, because it could
0-75
not detect a CM in response to
ANSam (ANSam timeout).
The calling terminal fell back to
T.30 mode, because it could
not detect a JM in response to
0-76
CM
(CM timeout).
The called terminal fell back to
T.30 mode, because it could
not detect a CJ in response to
0-77
JM
(JM timeout).
32
Meaning
• Check the line connection.
• FCU firmware or board defective.
• SG3 firmware or board defective.
• SG3 firmware or board defective.
• The other terminal did not have a compatible
• A polling tx file was not ready at the other terminal
• The calling terminal could not detect ANSam due to
• 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
• 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
• A network that has narrow bandwidth cannot pass
• Check the line connection and condition.
• Try receiving a call from another V.8/V.34 fax.
Suggested Cause/Action
Retry communication.
communication mode (e.g., the other terminal was a
V.34 data modem and not a fax modem.)
when polling rx was initiated from the calling
terminal.
noise, etc.
noise, etc.
noise, etc.
JM to the other end.