HP Scanjet 5590P Digital Flatbed Scanner, Scanjet. Maximum scan size: 216 x 279 mm, Optical scanning resolution: 2400 x 2400 DPI, Sensor type: CCD. Auto document feeder (ADF) input capacity: 50 sheets. Scanning media types supported: Card stock, Envelopes, Photo paper, Plain paper, Maximum scan area (ADF): 210 x 356 mm, Minimum scan area (ADF): 89 x 127 mm. Standard interfaces: USB 2.0. Bundled software: HP Photosmart, I.R.I.S. Readiris Pro, NewSoft Presto! PageManager, Scan drivers: TWAIN