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The LaserJet 500 Plus (model 2686D) was the largest of the early LaserJet series. 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 world's first commercially successful laser printer. [ 1] Canon supplies both mechanisms and cartridges for most ...
Deskjet Ink Advantage 4620 e-All-in-One Printer. Deskjet Ink Advantage 4640 e-Allin-One Printer. Officejet 2620 All-in-One Printer. Officejet 4600 e-All-in-One Printer. Officejet 4620 e-All-in-One Printer. Officejet 5700 e-All-in-One Printer. Officejet 7610 Wide Format e-All-in-One Printer.
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used ...
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 ...
A continuous ink system ( CIS ), also known as a continuous ink supply system ( CISS ), a continuous flow system ( CFS ), an automatic ink refill system ( AIRS ), a bulk feed ink system ( BFIS ), or an off-axis ink delivery system ( OIDS) is a method for delivering a large volume of liquid ink to a comparatively small inkjet printhead.
A HP LaserJet 4000n printer. The LaserJet 4000/4050 and their respective variants were the first printers released in the 4000 series. The LaserJet 4000 series printers print letter paper at 17 pages per minute, and can be set to print at 600 dpi or 1200 dpi, although when set to print at true 1200 dpi, the printer runs at reduced speed.
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [ 1] Inkjet printers were the most commonly used type of printer in 2008, [ 2] and range from small inexpensive consumer models to expensive professional machines.
The HP DeskJet 500, 510, 520, 500C, 550C, and 560C were all replaced by the HP DeskJet 540 (3 ppm B&W, 1.5 minutes per page color). A one-pen inkjet printer, color was optional. Also it introduced a different industrial design. HP's high-end printer line started with the HP DeskJet 1200C, introduced in 1993, offering 6 ppm B&W, and 1 ppm color.