CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002 13-1915.T1 Timer: No.11 of Service Soft Switch #3 NUMERIC param.• Increase the T1 timer setting:Increase the setting of No.11.The T1 timer is used to set the period of time in which a line connection is recognizedfor reception, i.e., in which the machine waits for a significant signal from the other partyafter transmission of DIS. The line will be disconnected if no significant signal is receivedduring the period.6.RTN Signal Transmission Condition: No. 02, 03, and 04 of Service Soft Switch #3NUMERIC param.• Loosen the RTN signal transmission condition:Increase the settings of No.02, 03, and 04.No.02 is used to set the ratio of the number of error lines to the total number of linesper page (1% to 99%).No.03 is used to set the burst error (number of successive error lines identified as an er-rors) ; (2 to 99 lines).No.04 is used to set the number of errors falling short of a burst error (1 to 99 times).7.Echo Remedy• A remedy against echoes may be implemented on the transmission side or thereception sideRemedy 1 for Echo (on the transmission side; relates to international communica-tions settings)By the User:Choose the appropriate international transmission settings when setting auto-dial num-bers (one-touch dialing, speed dialing).If international transmission 1 is selected, the 1st DIS from the other party will be ig-nored.If international transmission 2 is selected, a 1850Hz tonal signal will be transmittedwhen the other party sends DIS.If international transmission 3 is selected, a 1650Hz tonal signal will be transmittedwhen the other party sends DIS.By the Service Person:All transmissions may be e set to accommodate international transmission using bits 6,5, and 4 of #1 SSSW SW03 (service soft switch):international transmission 1: (bit 6, bit 5, bit 4) = (0, 0, 1)international transmission 2: (bit 6, bit 5, bit 4) = (0, 1, 0)international transmission 3: (bit 6, bit 5, bit 4) = (1, 1, 0)Remedy 2 for Echo (on reception side; addition of 1080-Hz tonal signal beforeCED transmission)Set ‘1’ to bit 7 of SW03 of #1 SSSW (service soft switch) so that a 1080Hz tonal signalwill be transmitted before CED transmission.
