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  2. Image scanner - Wikipedia

    en.wikipedia.org/wiki/Image_scanner

    Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...

  3. Automatic document feeder - Wikipedia

    en.wikipedia.org/wiki/Automatic_document_feeder

    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 ...

  4. Walmart has a Canon all-in-one printer for $29, and I ... - AOL

    www.aol.com/lifestyle/walmart-canon-one-printer...

    The printer also has basic scan and copy capabilities, the big limitation being the one-sheet-at-a-time flatbed. If you need a machine with a multi-page document feeder, keep looking.

  5. List of Canon products - Wikipedia

    en.wikipedia.org/wiki/List_of_Canon_products

    All current film and digital SLR cameras produced by Canon today use the EOS autofocus system. Canon introduced this system in 1987 along with the EF lens mount standard. The last non-EOS based SLR camera produced by Canon, the Canon T90 of 1986, is widely regarded as the template for the EOS line of camera bodies, although the T90 employed the ...

  6. Multi-function printer - Wikipedia

    en.wikipedia.org/wiki/Multi-function_printer

    An All-in-one is a small desktop unit, designed for home or home-office use. These devices focus on scan and print functionality for home use, and may come with bundled software for organising photos, simple OCR and other uses of interest to a home user. An All-in-one will always include the basic functions of Print and Sca

  7. Duplex scanning - Wikipedia

    en.wikipedia.org/wiki/Duplex_scanning

    Duplex scanning is a feature of some computer scanners, and multifunction printers (MFPs) that support duplex printing. A duplex scanner can automatically scan a sheet of paper on both sides. Scanners without this capability can only scan both sides of a sheet of paper by reinserting it manually the other way up.