HP ScanJet Pro 2500 f1
Flatbed , A4, Single-pass E-Duplex, Scan Resolution : Hardware Up to 600 x 600 dpi (color and mono, ADF); up to 1200 x 1200 dpi (color and mono, flatbed), ADF 50pages, Scan speed 8ppm/4ipm ( letter ), Speed : Up to 20 ppm/40 ipm (black and white, gray and color), Duty Cycle : Daily Up to 1,500 pages per day (ADF) , Connection : USB 2.0 high speed