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Printers designed to produce a permanent monochromatic or color text or graphic copy (i.e., hard copy) on full-size (e.g., letter, legal) and/or nonstandard, large-format paper or other appropriate media (e.g., transparency) from data stored in computers or computer networks by spraying small amounts of ink on common paper. These printers typically use thermal (i.e., bubble) technologies; but other technologies including piezoelectric and continuous ink-jet are also used. Ink-jet printers typically include a cartridge with tiny chambers (with heating or piezoelectric elements used to propel the ink), nozzles that deliver the ink to the paper, roller mechanisms to move the paper, controls, and paper trays. Ink-jet printers are intended mainly for use as computer peripherals and/or by computer network users, dedicated ink-jet printers (photo printers) that can produce high-quality color prints on photographic cards are also available.
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