How to convert .jpeg images to .epf format.
Converting JPEG Images directly to EPSF Encapsulated Postscript Image Format (.jpeg to .epf conversion) should be possible, and quite simple.
Your best bet to accomplish this conversion is to use Adobe Illustrator or similar Adobe based software, which allow users to import .jpeg images and re-save them as .epf files.
A powerful vector graphics editor from Adobe
A bitmap graphics editing program