Canon iR1200 Series Service Manual page 368

CHAPTER 7 TROUBLESHOOTING
##101 [TX/RX]The modem speed of the machine does not match that of the other
party
Cause: The modem speed of the machine does not match that of the other machine.
Remedy: The modem speed is part of machine specifications, and there is no remedy.
Cause: In the case of transmission, the speed for fallback does not match that of the other
party.
Remedy: 1. Increase the transmission level so that the other party may receive TCF cor-
2. Adjust the NL equalizer so that the other party may receive TCF correctly.
3. Provide echo remedy 1.
4. Using a manual call, press the Start button after hearing the 1st DIS from the
5. To prevent response to the 1st DIS from the other party, put a relatively long
6. Ask the operator of the other party to decrease the transmission level so that the
##102 [TX] Fallback is not possible
Cause: The line condition is poor, and the other party cannot receive TCF correctly.
Remedy: 1. Increase the transmission level so that the other party may receive TCF cor-
2. Adjust the NL equalizer so that the other party may receive TCF correctly.
An echo has caused a malfunction.
Cause:
1. Using a manual call, press the Start button after hearing the 1st DIS from the
Remedy:
2. To prevent response to the 1st DIS from the other party, put a relatively long
3. Ask the operator of the other party to provide echo remedy 1.
4. Ask the operator of the other party to decrease the transmission level so that the
##103 [RX] EOL cannot be detected for 5 sec (15 sec if CBT)
Cause: The line condition is poor, and the image signal cannot be received correctly.
Remedy: 1. Ask the operator of the other party to increase the transmission level so that the
2. Ask the operator of the other party to decrease the transmission start speed.
3. Adjust the NL equalizer so that the image signal may be received correctly.
Cause: The machine malfunctioned because of an echo of CFR.
Remedy: 1. Provide echo remedy 2.
2. Decrease the transmission level so that an echo of transmitted CFR will not be
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COPYRIGHT © 2002 CANON INC.
rectly.
other party.
pause to the telephone number when registering an auto-dialing number.
other party will not receive an echo.
rectly.
other party.
pause to the telephone number when registering an auto-dialing number.
other party will not receive an echo.
image signal may be received correctly.
received.
2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002