I have a HITI 730 ps which uses a dye sublimation process ("uses a heating element to heat dye impregnated in a ribbon to over 350 degrees, at which point it turns into a gas and migrates into the surface of the specially coated photo paper. Temperature controls how much dye transfers at any point on the paper") no toner cartridges or inkjet cartridges.
the negative is that it needs to be in a dust free environment, or to be cleaned prior to use. Any dust on the ribbons show up as dust on the print. Usually one printing clears the dust.
The picture quality seems to be as good as photo processing.
However, it will not do 8x10. and it is pretty expensive ($.28) pre print.