Selecting the File Format for Documents for Fax Transmission
You can select TIFF, PDF, or PDF/A as the file format to send a document by e-mail or to a folder.
If you select PDF or PDF/A as the file format, you can attach an electronic signature. For details about an electronic signature, see User Guide of your device.
Even if you specify a format for files being sent to fax, IP-Fax, or Internet Fax destinations, the files will not be converted to the format you specify.
Press [File Type].

Press [TIFF], [PDF], or [PDF/A].
To attach an electronic signature, press [Digital Signature] to highlight it.
Press [OK].