For printers that can use multiple fax lines by adding the optional Super G3/G3 Multi Fax Boards, you can send a fax while receiving a fax, receive multiple faxes at the same time, or send faxes at the same time.
Expansion Fax Ports
Fax Settings Menu (When Optional Fax Boards Installed)
Basic Settings (When Optional Fax Boards Installed)
Receive Settings
Registering a Recipient to the Contacts List (When Optional Fax Boards Installed)
Sending Faxes Using the Printer with Optional Fax Boards
Sending Faxes From a Computer Using an Optional Fax Board
Sending Documents Created in an Application Using an Optional Fax Board (Windows)
Sending Documents Created in an Application Using an Optional Fax Board (Mac OS)
Checking the Status of the Lines (When Optional Fax Boards Installed)
Solving Problems
Specifications for Optional Super G3/G3 Multi Fax Board