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Laser printing information


HP LaserJet 4200 series printer, installed atop additional 500-sheet paper tray

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] The drum then selectively collects electrically charged powdered ink (toner), and transfers the image to paper, which is then heated to permanently fuse the text, imagery, or both, to the paper. As with digital photocopiers, laser printers employ a xerographic printing process. Laser printing differs from traditional xerography as implemented in analog photocopiers in that in the latter, the image is formed by reflecting light off an existing document onto the exposed drum.

The laser printer was invented at Xerox PARC in the 1970s. Laser printers were introduced for the office and then home markets in subsequent years by IBM, Canon, Xerox, Apple, Hewlett-Packard and many others. Over the decades, quality and speed have increased as prices have decreased, and the once cutting-edge printing devices are now ubiquitous.

  1. ^ "Laser Printer - Definition of laser printer by Merriam-Webster". merriam-webster.com.

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Laser printing

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Digital printing

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large-format and/or high-volume laser or inkjet printers. Digital printing has a higher cost per page than more traditional offset printing methods, but this price...

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Daisy wheel printing

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most purposes when dot-based printers, in particular lasers and ink jet printer, capable of printing any characters, graphics, typefaces or fonts, rather...

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Xerography

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photocopy machines, laser printers, and digital presses which are slowly replacing many traditional offset presses in the printing industry for shorter...

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Selective laser melting

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known as direct metal laser sintering (DMLS), the ASTM standard term is powder bed fusion (PBF). PBF is a rapid prototyping, 3D printing, or additive manufacturing...

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Dot matrix printing

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cost of speed. Dot matrix printing is typically distinguished from non-impact methods, such as inkjet, thermal, or laser printing, which also use a bitmap...

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Printing

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simulating offset printing, to floor tiles. Inkjet is also used to apply mailing addresses to direct mail pieces Laser printing (toner printing) mainly used...

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Laser diode

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fiber-optic communications, barcode readers, laser pointers, CD/DVD/Blu-ray disc reading/recording, laser printing, laser scanning and light beam illumination...

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Inkjet printing

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By 2019, laser printers outsold inkjet printers by nearly a 2:1 ratio, 9.6% vs 5.1% of all computer peripherals. The concept of inkjet printing originated...

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Selective laser sintering

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of SLS printing due to lack of commercially available laser systems with Class-1 safety enclosures means that the home market for SLS printing is not...

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Domino Printing Sciences

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thermal transfer printing, print and apply machines, digital printing presses and laser printing products. At present, they are operating in over 120 countries...

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Thermal printing

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machines used thermal printing technology. Toward the beginning of the 21st century, however, thermal wax transfer, laser, and inkjet printing technology largely...

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Laser engraving

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term laser marking is also used as a generic term covering a broad spectrum of surfacing techniques including printing, hot-branding and laser bonding...

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3D printing processes

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(Laser Engineered Net Shaping), is one example of the Powder Fed - Directed Energy Deposition process for 3D printing or restoring metal parts. Laser-based...

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History of printing

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working by 1971. Laser printing eventually became a multibillion-dollar business for Xerox. The first commercial implementation of a laser printer was the...

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LaserWriter

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Macintosh computers, the LaserWriter was a key component at the beginning of the desktop publishing revolution. Laser printing traces its history to efforts...

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Offset printing

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Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the...

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Pad printing

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Pad printing (also called tampography) is a printing process that can transfer a 2-D image onto a 3-D object (e.g., a ceramic pottery). This is accomplished...

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Gas laser

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laser is mainly used in making holograms. In laser printing He-Ne laser is used as a source for writing on the photosensitive material. He-Ne lasers were...

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Printing press

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A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring...

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Lithography

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write') is a planographic method of printing originally based on the immiscibility of oil and water. The printing is from a stone (lithographic limestone)...

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Laser printing of single nanoparticles

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The laser printing of single nanoparticles is a method of applying optical forces that direct single nanoparticles to targeted substrate regions. Van der...

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HP LaserJet 4

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dominated the laser printing sector during this time in part due to their reliability, relatively affordable pricing, and the spread of LaserJet 4 models...

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Screen printing

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Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by...

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HP LaserJet

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LaserJet as a brand name identifies the line of laser printers marketed by the American computer company Hewlett-Packard (HP). The HP LaserJet was the...

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Laser

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additive manufacturing or 3D printing processes such as selective laser sintering and selective laser melting, laser metal deposition, and non-contact...

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