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  2. Photocopier - Wikipedia

    en.wikipedia.org/wiki/Photocopier

    A negative photocopy inverts the document's colors when creating a photocopy, resulting in letters that appear white on a black background instead of black on a white background. Negative photocopies of old or faded documents sometimes produce documents that have better focus and are easier to read and study.

  3. Multi-function printer - Wikipedia

    en.wikipedia.org/wiki/Multi-function_printer

    By comparison to an All-in-one product, a SOHO MFP is more likely to have an automatic document feeder, greater fax capabilities and faster output-performance. Most SOHO MFPs have their history in low-end black and white photocopiers, and the print engine is accordingly based around this type of technology.

  4. Duplicating machines - Wikipedia

    en.wikipedia.org/wiki/Duplicating_machines

    When spread over 20 or more copies, the cost per copy (2 to 4 cents) is close to photocopiers. But for every additional copy, the average cost decreases. At 100 prints, the master cost per copy was only 0.4–0.8 cents per copy, and the cost of the paper printed upon will start to dominate.

  5. Printer tracking dots - Wikipedia

    en.wikipedia.org/wiki/Printer_tracking_dots

    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 ...

  6. Comparison of digital and film photography - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_digital_and...

    [citation needed] However, film is available in much lower film speeds than digital which rarely drop below ISO's of 100 or 400, a number of both colour and black & white films are sold with ISO of 50, this allows for a better image in high light conditions providing a smoother image and low grain. Meanwhile black & white films are sold with ...

  7. Printing - Wikipedia

    en.wikipedia.org/wiki/Printing

    Comparison of printing methods [56] Printing process Transfer method Pressure applied Drop size Dynamic viscosity Ink thickness on substrate Notes Cost-effective run length Offset printing: rollers 1 MPa 40–100 Pa·s 0.5–1.5 μm high print quality > 5,000 (A3 trim size, sheet-fed) [57] > 30,000 (A3 trim size, web-fed) [57] Rotogravure ...

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