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  2. Printer tracking dots - Wikipedia

    en.wikipedia.org/wiki/Printer_tracking_dots

    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 to print the document.

  3. Dot matrix printing - Wikipedia

    en.wikipedia.org/wiki/Dot_matrix_printing

    The printing speed of serial dot matrix printers with moving heads varies from 30 [36] to 1550 characters per second (cps). [37] In a considerably different configuration, so called line dot matrix printers [38] or line matrix printers use a fixed print head almost as wide as the paper path utilizing a horizontal line of thousands of pins for ...

  4. Printing registration - Wikipedia

    en.wikipedia.org/wiki/Printing_registration

    In printing, registration black is a black color that includes 100% of each of the process colors used. Typically these are cyan, magenta, yellow and black , [4] but if different colors are used, registration black marks are made with all of the colorants (inks). [4] Registration black is used for printing crop marks and registration marks ...

  5. Line matrix printer - Wikipedia

    en.wikipedia.org/wiki/Line_matrix_printer

    Line matrix printers are used for high-speed printing applications They are used to produce invoices, bank statements, product shipment and transportation documentation as well as product compliance labels. Line matrix printers can print text, bar codes and graphics. When implemented as impact printers, they can be the least expensive to ...

  6. Trap (printing) - Wikipedia

    en.wikipedia.org/wiki/Trap_(printing)

    When printing at 150 lpi, traps are usually between 1/150 and 1/300 inch (0.48 pt and 0.24 pt, 0.16 mm and 0.08 mm). These values are usually multiplied by 1.5 or 2 when one of the colors is black. The trap is not visible since the lighter color is spread underneath the—almost—opaque black. For the same reason, in many cases, black ink is ...

  7. List of printing protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_printing_protocols

    A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.

  8. Rich black - Wikipedia

    en.wikipedia.org/wiki/Rich_black

    Rich black. Rich black, in printing, is an ink mixture of solid black over one or more of the other CMYK colors, [1] resulting in a darker tone than black ink alone generates in a printing process. [2][3] A typical rich black mixture might be 100% black, 50% of each of the other three inks. Other percentages are used to achieve specific results ...

  9. Inkjet printing - Wikipedia

    en.wikipedia.org/wiki/Inkjet_printing

    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. By 2019, laser printers outsold inkjet ...