HP ScanJet Pro 2600 f1 Scanner with ADF

Auto Document Feeder Capacity: Standard, 60 sheets, Bit depth: 24-bit (external), 48-bit (internal), Control panel: Up to 600 x 600 dpi (color and mono, ADF); Up to 1200 x 1200 dpi (color and mono, flatbed), Memory: 256 MB, Processor Speed: 666 MHz, Scan Size (ADF), Maximum: 216mm x 310mm, Scan Size ADF (Minimum): 89mm x 148mm, Scan Size, Maximum: 216mm x 297mm, Scan Technology: ADF; Flatbed; Contact Image Sensor (CIS), Scanning Options (ADF): Single-pass Duplex scanning