A thermal printer is a type of computer printer that uses heat to create images on paper. Thermal printers are often used in retail and industrial settings because they are relatively inexpensive and can print high-quality images at a fast speed.
Thermal printers work by heating up small dots on the paper, which causes the paper to change color. The color of the dots depends on the temperature at which they are heated. Thermal printers can produce a wide range of colors, including black, white, red, green, blue, and yellow.