Brand: HP
Model Name/Number: ScanJet Pro 3500 f1
Scan Resolution, Optical: Up to 600 dpi (color and mono, ADF); Up to 1200 dpi (color and mono, flatbed)
Scan Resolution, Hardware: Up to 600 x 600 dpi (color and mono, ADF); Up to 1200 x 1200 dpi (color and mono, flatbed)