CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002 13-213##0675 [RX] In V.34 reception, the procedure fails to move from phase 3 orphase 4 to a control channel or later, causing a T1 time-over condi-tion##0752 [TX] In ECM transmission, DCN was received after transmission ofPPS-NULLCause:Remedy:Cause:Remedy:The line condition is poor, and the other party cannot receive PPS-NULL correctly.(1) Increase the transmission level so that the other party may receive PPS-NULLcorrectly.(2) Adjust the NL equalizer so that the other party may receive PPS-NULL cor-rectly.(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.##0750 [TX] In ECM transmission, no significant signal can be received aftertransmission of PPS-NULL, and the allowed number of proceduresignal re-transmissions was exceededCause:Remedy:Cause:Remedy:The line condition is poor, and the other party cannot receive PPS-NULL correctly.(1) Increase the transmission level so that the other party may receive PPS-NULLcorrectly.(2) Adjust the NL equalizer so that the other party may receive PPS-NULL cor-rectly.(3) Add an echo protect tone to the V.29 modem signal for transmission.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 sig-nal may be received correctly.Cause:Remedy:Cause:Remedy:In phase 3 or phase 4, the other party cannot receive the signal correctly, and dis-connect the line.(1) Increase the transmission level so that the other party may receive the signalcorrectly.(2) Prohibit the V.8/V.34 procedure.In phase 3 or phase 4, the signal from the other party cannot be received correctly.(1) Ask the operator of the other party to increase the transmission level so that thesignal may be received correctly.(2) Prohibit the V.8/V.34 procedure.
