Check that an IP address is assigned to this machine.
Enable the IP address fax function. In addition, configure the sending and receiving functions of this machine (SMTP) and the operation mode for IP address fax.
Register the machine name, department name, etc. to be printed on faxes.
Set the date and time on this machine to be printed on sent and received faxes.
This will save you the trouble of entering a destination each time you send a fax.