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A dot matrix printer Sample output from a dot matrix printer. Dot matrix printing, [1] sometimes called impact matrix printing, is a computer printing process in which ink is applied to a surface using a relatively low-resolution dot matrix for layout.
Close-up view of dot matrix text produced by a printer Dot matrix pattern woven into fabric in 1858 using punched cards on a Jacquard loom Dot matrix-style skywriting. A dot matrix is a 2-dimensional patterned array, used to represent characters, symbols and images. Most types of modern technology use dot matrices for display of information ...
Dot matrix printers are divided into two main groups: serial dot matrix printers and line matrix [1] printers. Line matrix mechanism. A serial dot matrix printer has a print head that runs back and forth, or in an up and down motion, on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper, much like the print ...
Dot-matrix printers can be broadly divided into two major classes: Ballistic wire printers; Stored energy printers; Dot matrix printers can either be character-based or line-based (that is, a single horizontal series of pixels across the page), referring to the configuration of the print head.
Near letter-quality is a form of impact dot matrix printing. What The New York Times called "dot-matrix impact printing", [2] was deemed almost good enough to be used in a business letter [5] Reviews in the later 1980s ranged from "good but not great" [6] to "endowed with a simulated typewriter-like quality".
A dot matrix printer, for example, applies ink via tiny rods striking an ink ribbon, and has a relatively low resolution, typically in the range of 60 to 90 DPI (420 to 280 μm). An inkjet printer sprays ink through tiny nozzles, and is typically capable of 300–720 DPI. [ 3 ]
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Comb printers, also called line matrix printers, printed a matrix of dots instead of individual characters in the same way as single-character dot matrix printers, but using a comb of hammers to print a portion of an entire row of pixels at one time (for example, every eighth pixel). By oscillating the comb or "print shuttle" left and right a ...