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![What Is Thermal Printing, And How Does It Work? How Does It Help In A Variety Of Industrial Settings?](https://fortunetelleroracle.com/public/index.php/upload/media/posts/2021-08/12/what-is-thermal-printing-and-how-does-it-work-how-does-it-help-in-a-variety-of-industrial-settings_1628769715-b.jpg)
Thermal printing, also called digital printing, is a process that creates a digital printout by selectively heating individual thermochromic layers of specially printed paper, called thermal paper. When the paper is passed over the print head, the ink reacts with the metal layer beneath it, creating an image on the print piece. Thermal printing has many advantages over other printhead processes. Because it requires no film to be melted, the images created are of nearly unlimited quality and resolution. Because the ink doesn't dry out like traditional inkjet printheads, the finished print is durable even after drying several times. Because there is no ink used, the resulting print is immune to color fading, smudging, or creases.
There are two types of thermal printers available for use in printing. The first type of printer, a direct thermal printer (or DCP), works by using an electric current to heat printed materials to a predetermined temperature. Direct printing is often used to print high-resolution logos, promotional pieces, or signs. Another type of thermal printer is the indirect thermal printer; in this process, an inert gas such as argon or neon is used in combination with a phototactic liquid (usually argon mixed with a small amount of water).
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