The paper used in thermal printers is also special, that is, the base paper is coated with a layer of “heat-sensitive paint” (thermographic color-changing layer), and the printing head has heating elements. When the printer receives the printing signal from the computer, it heats the print head. And in contact with the thermal paper, the paper reacts with heat to produce a chemical reaction, and the graphic text comes out.
How thermal printer works?
- Jul 09, 2019-