HP ScanJet Pro 3500 f1 Flatbed Scanner

Up to 600 dpi (colour and monochrome, ADF), Up to 1200 dpi (colour and monochrome, flatbed), Duty cycle (daily) 3,000 pages (ADF), ADF 50sheets, ADF speed: Up to 25ppm/50ipm, Single pass E-Duplex, Paper (banner, inkjet, photo, plain), envelopes, labels, cards (greeting, index), Hi-Speed USB 2.0 and USB 3.0