Advanced Guide > Faxing > Sending/Receiving Faxes Using the Operation Panel of the Machine > Transmission/Reception of Faxes Using ECMTransmission/Reception of Faxes Using ECMThis machine is set to send/receive faxes in Error Correction Mode (ECM). If the recipient's fax machineis compatible with ECM, ECM automatically corrects errors and resends the fax.NoteIf the sender's or recipient's fax machine is not compatible with ECM, the fax will be sent/receivedwithout automatic error correction.To receive color faxes, make sure that ECM RX is set to ON. For details, see ECM RX.You can disable ECM transmission/reception. For details, see ECM TX or ECM RX.Transmission may take longer when ECM is enabled.Page topPage 777 of 1127 pagesTransmission/Reception of Faxes Using ECM