Thermal printing technology used in the first fax machine, the basic principle is to receive the data received by the printer into a lattice signal to control the heating of the thermal unit, the thermal paper thermal coating heated development. At present, the thermal printer has been widely used in POS terminal systems, bank systems, medical equipment and other fields.
Thermal printer can only use a dedicated thermal paper, thermal paper coated with a layer of heat will produce a chemical reaction and discoloration of the coating, similar to the photographic film, but this layer of coating is hot after the discoloration, the use of Thermal coating of this feature, there has been thermal printing technology.
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