Line printer
Impact printer that prints one entire line of text at a time / From Wikipedia, the free encyclopedia
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A line printer prints one entire line of text before advancing to another line.[1] Most early line printers were impact printers.
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Line printers are mostly associated with unit record equipment and the early days of digital computing, but the technology is still in use. Print speeds of 600 lines per minute[2] (approximately 10 pages per minute) were achieved in the 1950s, later increasing to as much as 1200 lpm. Line printers print a complete line at a time and have speeds in the range of 150 to 2500 lines per minute.
Some types of impact line printers are drum printers, band-printers, and chain printers. Non-impact technologies have also been used, e.g., thermal line printers were popular in the 1970s and 1980s,[3] some inkjet and laser printers produce output a line or a page at a time.