Thermal printers come in two main varieties: one produces monochrome output, and the other prints in color. The first type draws specially treated paper across a row of tiny electric heating elements.

The printer is super portable, measuring in at just 10.39 inches by 1.77 inches. It weighs only 1.1 lbs. so it can easily be ...

The printer also relies on thermal paper, which can be difficult to find and expensive. Customers also point out that the paper rolls print on one continuous page.

Process Depending on the printer, 300 to 600 tiny nozzles heat up the ink in the cartridge, expanding it in a bubble. The ink from this bubble is pushed through a nozzle onto the paper.

The thermal paper coating turns black where it is heated, producing the letters or images. Although thermal printers cost more than impact printers, they do not require ink or toner, which can save ...

He quickly realized that he could buy thermal paper for fax machines, but it would be too wide at 8.5 inches. Luckily, he was able to use a neighbor’s saw to cut the paper down to the right size.