Function of thermal printer



Thermal printers use hot needles that leave an impression on the thermally sensitive paper. When the paper passes over the thermal print head, images or text is created in black and other colors through the use of temperature variations. In order to print, the paper is inserted between the print head and the roller, and the printer sends an electrical current to the thermal head to generate the images and text. The thermo-sensitive paper reacts and changes color where the paper was heated.

Thermal printers work in two ways. For older models, heat sensitive paper is used by placing a roll in a container inside the machine and the end of that roll is stuck into a slot that takes the paper between the print head and the roller. The heat that has built up in the machine reacts with the heat-sensitive paper and the pigments transfer the image to the sheet.

For newer machines, tape cartridges are placed in the printer. There is a waxy material inside the cartridges. When the printer is in use, the paper is fed through the groove between the print head and roll. Heat causes the substance to stick to the paper.

Despite its reputation for limited functions, thermal printers have many advantages. Among the positive points is that it is very fast, small, durable and perfectly transportable. They are very easy to use and use very little power during operation which keeps them very quiet so as to not disturb the office place, customers or coworkers. However, the most striking advantage of this type of printers is that its price is very accessible and paper cartridges can be easily recharged.

http://www.aclas.tw/Products/PP6X/

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