The Super G3 international fax standard and the JBIG standard for efficiently compressing and decompressing data make it possible to send a page in less than 3 seconds* over an ordinary telephone line. This greatly speeds things up when sending a large number of originals, and cuts down on faxing costs. Photos and other halftone images can also be sent at high speed.
In order to attach FK-502, MK-720 is required. For a second fax line a second FK-502 is required.