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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 ...
Many scanners support the attachment of document feeders which allow a large number of sheets of paper to be automatically scanned in succession. Using the SANE API, the front end simply has to "play back" the same set of options for each scan, driving the document feed in between scans to load the next sheet of paper.
Scanners without this capability can only scan both sides of a sheet of paper by reinserting it manually the other way up. Duplex scanning document scanner (Fujitsu fi-5110C) Duplex scanning is usually implemented on multifunction printers using a Reversing Automatic Document Feeder (RADF), which removes, reverses, and re-feeds the document ...
An automatic document feeder (Fujitsu ScanSnap iX500) A sheetfed scanner, also known as a document feeder, [35] is a type of scanner that uses motor-driven rollers to move one single sheet of paper at a time past a stationary scanning element (two scanning elements, in the case of scanners with duplex functionality).
Generally a SOHO MFP will have basic Print, Copy, Scan and Fax functionality only, but towards the larger end of the scale, may include simple document storage and retrieval, basic authentication functions and so on, making the higher end of the "SOHO" scale difficult to differentiate from the lower end of the "Office" MFP scale.
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. Among the key advantages of photocopiers over earlier copying technologies is their ability: to use plain (untreated) office paper; to implement duplex (two-sided) printing
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The OMR software then works with a common desktop image scanner with a document feeder to process the forms once filled out. OMR is generally distinguished from optical character recognition (OCR) by the fact that a complicated pattern recognition engine is not required. That is, the marks are constructed in such a way that there is little ...