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ESC/P, short for Epson Standard Code for Printers and sometimes styled Escape/P, is a printer control language developed by Epson to control computer printers. It was mainly used in Epson's dot matrix printers , beginning with the MX-80 in 1980, as well as some of the company's inkjet printers .
A ruler was used with a red pen to draw strike-through lines of deleted text and double-underline inserted text. The term "redline" came from using a red pen on the original/current version. When the document was placed in a copy machine, the copies came out black, thus the term "blackline."
A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.
A line matrix printer is a computer printer that is a compromise between a line printer and a dot matrix printer. A line matrix printer prints page-wide lines of dots at a time, building up a line of text by printing lines of dots.
Epson entered the personal computer market in 1983 with the QX-10, a CP/M-compatible Z80 machine. By 1986, the company had shifted to the growing PC market with the Equity line. EPSON manufactured and sold NEC PC-9801 clones in Japan. Epson withdrew from the international PC market in 1996.
Lines per inch (LPI) is a measurement of printing resolution. A line consists of halftones that is built up by physical ink dots made by the printer device to create different tones. Specifically LPI is a measure of how close together the lines in a halftone grid are. The quality of printer device or screen determines how high the LPI will be.
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.
The printing speed of serial dot matrix printers with moving heads varies from 30 [34] to 1550 characters per second (cps). [35] In a considerably different configuration, so called line dot matrix printers [36] or line matrix printers use a fixed print head almost as wide as the paper path utilizing a horizontal line of thousands of pins for ...