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In digital printing, a page description language (PDL) is a computer language that describes the appearance of a printed page in a higher level than an actual output bitmap (or generally raster graphics). An overlapping term is printer control language, which includes Hewlett-Packard's Printer Command Language (PCL).
Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image. [1]
A printer driver, a program (device driver) which converts the computer's information about the page into the actual PDL. Printer drivers may be included with the operating system, be distributed with the printer on CDs or DVDs, or be downloaded from the printer manufacturer's home page or from independent web sites.
Modern printers can receive data in multiple forms like vector graphics, as an image, a program written in a page description language, or a string of characters. Multiple types of printers exist: Inkjet printers An inkjet printer injects tiny droplets onto the printing medium via a series of nozzles on a printing head. Laser printers
The printing press check is a step in the printing process. It takes place after a printing press is set up but before the print run is underway. Herzliya Airport (Israel) Runway location and Traffic Pattern chart (left) was erroneously printed as a result of "black layer" 180° misplacement. The corrected chart is on the right.
A raster image processor (RIP) is a component used in a printing system which produces a raster image also known as a bitmap. [1] [2] Such a bitmap is used by a later stage of the printing system to produce the printed output. The input may be a page description in a high-level page description language such as PostScript, PDF, or XPS.
This page in a nutshell: To print a Wikipedia page, select File → Print from your web browser, or click on the browser print icon. In general, printing a Wikipedia article is as simple as selecting Printable version from the tools menu on the sidebar or at the top-right.
Early rotary newspaper printing press in Bristol, 1858. William Nicholson filed a 1790 patent for a rotary press. The rotary press itself is an evolution of the cylinder press, also patented by William Nicholson, invented by Beaucher of France in the 1780s and by Friedrich Koenig in the early 19th century.