Canon DR-2050C, 297 x 420 mm, 600 x 600 DPI, Sheet-fed scanner, CIS, BMP, PDF, TIFF, 50 sheets Canon DR-2050C. Maximum scan size: 297 x 420 mm, Optical scanning resolution: 600 x 600 DPI. Scanner type: Sheet-fed scanner. Sensor type: CIS, Scan file formats: BMP, PDF, TIFF. Auto document feeder (ADF) input capacity: 50 sheets. Standard interfaces: USB 2.0 https://www.pcmag.com/article2/0,2817,1891459,00.asp The Canon DR-2050C ($675 street) is an affordable document scanner designed for small offices and workgroups. It offers reasonably fast scans and impressively fast recognition for scanning and saving in searchable PDF format, but a few small shortcom... Extraordinary speed in its price class for scanning and recognizing text. Driver supports both ISIS and Twain to work with virtually any scan software. No document-management program or indexing program included. Unclear installation instructions. The Canon DR-2050C is the fastest scanner in its price class for scanning, recognizing text, and saving files in a searchable PDF format....