HP Scanjet Professional 3000 Sheet-feed Scanner, Scanjet. Maximum scan size: 215.9 x 863.6 mm, Scanner type: Sheet-fed, Optical scanning resolution: 600 x 600 DPI. Auto document feeder (ADF) input capacity: 50 sheets. Scanning media types supported: Card stock, Envelopes, Photo paper, Plain paper, Maximum scan area (ADF): 215.9 x 863.6 mm, Minimum scan area (ADF): 52 x 74 mm. Standard interfaces: USB 2.0, Optional connectivity: None. Bundled software: TWAIN, Nuance PaperPort, Nuance OmniPage, NewSoft Presto! BizCard SE, Scan drivers: TWAIN