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CHAPTER 7 TROUBLESHOOTING
##764 [TX]
In ECM transmission, the allowed number of procedure signal re-
transmissions was exceeded after transmission of PPS-EOM
Cause:
The line condition is poor; as such, although PPR was received 4 times after
transmission of PPS-EOM and then CTC was transmitted, the other party
could not receive it correctly.
Remedy:
Increase the transmission level so that the other party may receive CTC cor-
Cause:
rectly.
The line condition is poor; as such, although PPR was received 4 times after
transmission of PPS-EOM and then CTC was transmitted, no significant sig-
Remedy:
nal was received correctly thereafter.
Ask the operator of the other party to increase the transmission level so that the
signal may be received correctly.
##765 [TX]
In ECM transmission, no significant signal can be received after
transmission of PPS-EOP, and the allowed number of procedure
signal re-transmissions was exceeded
Cause:
The line condition is poor, and the other party cannot receive PPS-EOP cor-
Remedy:
rectly.
1. Increase the transmission level so that the other party may receive PPS-
2. Adjust the NL equalizer so that the other party may receive PPS-EOP cor-
Cause:
3. Add an echo protect tone to the V.29 modem signal for transmission.
Remedy:
The line condition is poor, and the significant signal cannot be received correctly.
Ask the operator of the other party to increase the transmission level so that
the signal may be received correctly.
##767 [TX]
In ECM transmission, DCN was received after transmission of
PPS-EOP
Cause:
The line condition is poor, and the other party cannot receive PPS-EOP cor-
Remedy:
rectly.
1. Increase the transmission level so that the other party may receive PPS-
2. Adjust the NL equalizer so that the other party may receive PPS-EOP cor-
Cause:
Remedy:
3. Add an echo protect tone to the V.29 modem signal for transmission.
The Stop key was pressed during a communication.
Transmit once again.
7-74
COPYRIGHT © 2002 CANON INC.
EOP correctly.
rectly.
EOP correctly.
rectly.
2000 2000 2000 2000
CANON SmartBase PC1210D/1230D/1270D REV. 1 MAR. 2002
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Table of Contents
Troubleshooting
