Epson WorkForce WF-7720 Users Guide - Page 177

Basic Settings - Fax Select the basic options you want to use for incoming and outgoing faxes. Setting Fax Speed ECM Dial Tone Detection Line Type Header Receive Mode Options Description Fast(33,600bps) Sets the speed at which you send and receive faxes Medium(14,400bps) Slow(9,600bps) On Turns on Error Correction Mode (ECM) to automatically correct errors in sent or received fax data Off Turns off Error Correction Mode (ECM); color faxes cannot be sent or received On Automatically dials the number you enter for faxing when the product detects a dial tone Off Turns off automatic dial tone detection, which may be necessary if the product is connected to a PBX (Private Branch Exchange) or a TA (Terminal Adapter). However, turning this setting off may cause the product to drop the first digit of a fax number. PSTN Selects a standard phone line (Public Switched Telephone Network) PBX Selects Private Branch Exchange, the type of phone line used in office environments where an access code such as 9 must be used to call an outside line Your Phone Number Select to enter the header information and your phone number for inclusion on outgoing faxes Fax Header Manual Lets you confirm whether an incoming fax should be printed; a telephone must be connected to the product Auto Automatically receives and prints faxes 177