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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 . Line printers are mostly associated with unit record equipment and the early days of digital computing, but the technology is still in use.
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The Printronix P7000 series of line matrix printers are still manufactured as of 2013. Line printers are the fastest of all impact printers and are used for bulk printing in large computer centres. A line printer can print at 1100 lines per minute or faster, frequently printing pages more rapidly than many current laser printers.
Daisy wheel printers were added to the line with a purchase of the business from Plessey in 1978. A joint project with Exxon yielded a series of solid ink printers. The Exxon printer division was Danbury Systems Division where 6 members were hired by Howtek, Inc, the company producing the Pixelmaster Solid ink Color printer. [3]
The IBM 1132 line printer was the normal printer for the IBM 1130 computer system. It printed 120 character lines at 80 lines per minute. It printed 120 character lines at 80 lines per minute. The character set consisted of numbers, upper-case letters and some special characters.
Unlike typewriters or line printers that use a similar print mechanism, a dot matrix printer can print arbitrary patterns and not just specific characters. The perceived quality of dot matrix printers depends on the vertical and horizontal resolution and the ability of the printer to overlap adjacent dots. 9-pin and 24-pin are common; this ...
The Line Printer Daemon protocol/Line Printer Remote protocol (or LPD, LPR) is a network printing protocol for submitting print jobs to a remote printer. The original implementation of LPD was in the Berkeley printing system in the BSD UNIX operating system; the LPRng project also supports that protocol.
Dot matrix printers are widely used because of their low cost per page. 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 ...