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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 photocopiers produce on every printed page that identifies the specific device that was ...
The printing depends on the smooth flow of ink, which can be hindered if the ink begins to dry at the print head, as can happen when an ink level becomes low. Dried ink can be cleaned from a cartridge print head using 91% denatured isopropyl alcohol (not rubbing alcohol). [ 5 ]
HP Z600 – up to two Xeon 5500 or 5600 series (2/4/6 core) processors; HP Z800 – up to two Xeon v1/2 5500, v3 5600 series (2/4/6 core) processors; Z Series Generation 2 (2013 - 2015) HP Z2 Mini – Intel Xeon (E3 v5), Core i7, i5 or i3 processors; HP Z220 – Intel Xeon (E3-12xx v2) or Ivy Bridge Core i5, i7
A copyright page with the printer's key underlined. This version of the book is the eighteenth printing. The printer's key, also known as the number line, is a line of text printed on a book's copyright page (often the verso of the title page, especially in English-language publishing) used to indicate the print run of the
It was designed to be easily portable. It was targeted at mobile professionals. It was replaced by the HP DeskJet 310 (4 ppm B&W, 4 minutes per page color) in 1993, the HP DeskJet 320 in 1994, the HP DeskJet 340 (2 minutes per page color) in 1995, and the HP DeskJet 350 and 350CBi (5 ppm B&W, 2 ppm color) in 2000.
HP ePrint via Email is a feature that most HP printers and MFPs use. HP ePrint enables printing documents attached to email messages sent to the device. The HP ePrint-capable printer or MFP must be registered to an HP ePrint cloud service called HP ePrint Center, which assigns a unique email address to the printer or MFP.
Dot matrix printers are a type of impact printer that prints using a fixed number of pins or wires [2] [3] and typically use a print head that moves back and forth or in an up-and-down motion on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper.
Reverse automatic document feeder A scanner with a duplexing automatic document feeder A Konica Minolta photocopier with an automatic document feeder in use. In multifunction or all-in-one printers, fax machines, photocopiers and scanners, an automatic document feeder or ADF is a feature which takes several pages and feeds the paper one page at a time into a scanner or copier, [1] allowing the ...