Printers Laser Printers Printers are one of the most common output devices used with computers. A variety of inputs are used to enter data into a computer, the computer processes or stores the data, and outputs such as printers convert the bits of information into a form humans can use or understand. Printers are used for business and personal use to reproduce images and documents on paper. This output is known as a hard copy because it is permanent and transportable.
Printers come in many varieties with different features, qualities, and abilities.
Therefore, consumers have a big decision to make when buying a printer. As their names specify, impact printers work by physically striking the paper with a print hammer. The hammer hits the ink ribbon first, impacting the symbol onto the paper. Nonimpact printers use techniques other than physically striking the page to transfer ink to the page. Laser and Inkjet printers are two types of nonimpact printers.