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Taiwan-based Microtek introduced the world's first 200 dpi black and white sheet-fed scanner in 1984. The company followed up with several more first-to-market scanners: a 300 dpi version in 1985, a 300 dpi black and white flatbed scanner in 1986, a 300 dpi gray-scale flatbed scanner in 1987, and an auto-focus CCD scanner with E.D.I.T. (Emulsion Direct Imaging Technology) in 2007.
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