HP Scanjet N6310 Document Flatbed Scanner. Maximum scan size: 216 x 292 mm, Scanner type: flatbed & ADF, Optical scanning resolution: 2400 x 2400 DPI. Auto document feeder (ADF) input capacity: Standard, 50 sheets. Maximum scan area (ADF): 216 x 356 mm, Auto Document Feeder (ADF) media weight: 50 to 120 g/m². Standard interfaces: Hi-Speed USB 2.0. Weight: 6.7 kg