EPSON WorkForce DS-1630 Duplex USB Color Flatbed Scanner up to 25 ppm: SKU: B11B239402CLOSE ALLTechnologyScanner Type Flatbed ScannerOptical Resolution (ADF) 600 DPI x 600 DPI (Horizontal x Vertical)Optical Resolution 1,200 DPI x 1,200 DPI (Horizontal x Vertical)Maximum document size 210 m