You can add two to four lines to the machine by installing the Super G3 2nd Line Fax Board, or Super G3 2nd Line Fax Board and Super G3 3rd/4th Line Fax Board. To add a line to the machine, it is necessary to register a separate telephone number for the additional line. (See "Setting the Line to Use When Sending.")

For information on the optional products required to use this function, see "Optional Products Required for Each Function (imageRUNNER ADVANCE C9280 PRO/C9270 PRO)" or "Optional Products Required for Each Function (imageRUNNER ADVANCE C7270/C7260)."

Line 1 (the standard line) 
Line 2 (the additional line): The Super G3 2nd Line Fax Board is installed.
Line 3 (the additional line): Super G3 2nd Line Fax Board and Super G3 3rd/4th Line Fax Board are installed.
Line 4 (the additional line): Super G3 2nd Line Fax Board and Super G3 3rd/4th Line Fax Board are installed.