Setting Transmission Functions 5-29Setting and Storing Custom Fax Settings5Setting Transmission FunctionsThis section explains the method of setting fax transmission functions.Specifying Whether or Not to Use ECM TransmissionYou can send documents using the Error Correction Mode (ECM).The ECM is a function which automatically corrects errors in an image while it is being sent.IMPORTANT• When you want to communicate using the ECM, it is necessary that the ECM function be set in boththe other party’s machine and this machine. (Unless the ECM is set in both machines, this functionwill not operate.)• Even when you set the ECM function, errors can sometimes occur due to a poor telephone line.• If trouble occurs in the telephone line, it will take some time for the documents to be sent.NOTE• The default setting is “On.”1 Call up the desired screen as follows:2 Select “On,” and press “OK.”If you do not want to use ECM transmission, press “Off.”(AdditionalFunctions)