Thermal transfer printer. It is also called thermal printer. During printing, many small heating elements on the printing head heat the ribbon. After contacting with the printing paper, thousands of control units on the thermal printing head heat and melt the color wax, and spray it on the special paper or transparent film.

The thermal transfer printer can print continuous tone pictures of near photo quality. It is generally used for prepress and professional graphic output. Thermal conversion printers mainly include the following categories: thermal sublimation printer, solid wax spraying printer, thermal wax printer, and micro dry processing printer.