What is a thermal transfer ribbon?

 
Thermal Transfer Ribbon is basically a polyester film on which are coated different layers. Ink layer is transferred to the label thanks to the heat delivered by the thermal head of the thermal printer.

The different qualities of thermal transfer ribbons

Wax		Wax / Resin		Resin
Ribbons with wax based ink.		Ribbons with wax and resin based ink.		Ribbons with a resin based ink.