[PaulWhite]

What models of fax machines use laser fax toner instead of ink?

[Scleros]

Many printer manufacturers provide laser fax models or offer fax cards as an accessory for their laser printers. Canon, Brother, Hewlett-Packard, Panasonic, etc. Google "laser fax".

There are also thermal type fax machines that use heat directly to imprint the image in special paper or use heated ink. See HowStuffWorks - Introduction to How Thermal Fax Machines Work.