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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 ...
Two cartridges; one with black ink (a third-party HP 15 compatible cartridge), one with colored inks (an original type HP 17 tri-color cartridge) currently installed in an HP inkjet printer. An ink cartridge or inkjet cartridge is a component of an inkjet printer that contains ink to be deposited onto paper during printing. [1]
The screens make sure the ink flow is regulated. The paper is fed to the drum, and the ink only comes through the master material where there are holes. A pressure roller presses the paper to the drum and transfers the ink to the paper to form the image. The paper then exits the machine into an exit tray. The ink is still wet.
In this method, a stream of ink is released continuously from the nozzle. A garden hose jet stream is a good example of a continuous flow from a nozzle except CIJ nozzles are tiny (less than .005 inch or about 1/10 millimeter). The ink stream naturally breaks into separate drops due to Plateau–Rayleigh flow instability. Fluid streams can be ...
An intentionally blank page on a PDF document from the Australian Electoral Commission. The document has 80 printable pages, and content ends on page 77. In digital documents, pages are intentionally left blank so that the document can be printed correctly in double-sided format, rather than have new chapters start on the backs of pages.
When first put to paper, this ink is bluish-black. Over time it fades to a dull brown. Scribes in medieval Europe (about AD 800 to 1500) wrote principally on parchment or vellum. One 12th century ink recipe called for hawthorn branches to be cut in the spring and left to dry. Then the bark was pounded from the branches and soaked in water for ...
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By the end of the 1970s, paper producers made xerographic "runability" one of the requirements for most of their office-paper brands. DADF or Duplex Automatic Document feeder - Canon IR6000. Some devices sold as photocopiers have replaced the drum-based process with inkjet or transfer-film technology.