Technical specifications Scanner typeFlatbed, ADF Scan resolution, opticalUp to 2400 dpi Duty cycle (daily)Up to 500 pages Bit depth48-bit Levels of grayscale256 Multifeed detectionYes, length Transparency adapterBuilt-in (TMA)two 35 mm slides or three 35 mm negative frames Task speedLetter document to PDF file (300 dpi, color, editable text pdf): about 34 secLetter document to searchable PDF file (300 dpi, color, searchable text pdf): about 40 secLetter document to e-mail (300 dpi, color, editable text pdf e-mail attachment): about 38 sec10 x 15 cm (4 x 6 in) picture to file (200 dpi, 24-bit color, jpg): about 25 sec Scan size (flatbed), maximum216 x 297 mm Media typesPaper (plain, inkjet, photo), envelopes, cards (index, greeting), 3-D objects Media weights, supported ADF50 to 120 g/m² Scan file formatPDF, searchable PDF, JPG, BMP, TIFF, compressed TIFF, TXT, HTML, RTF, FPX, PNG, PCX, GIF Scan input modesFront-panel scan to HP Scanning SoftwareHP Document Copysoftware scan using HP Scanning Softwareuser application via TWAIN, ISIS, or WIA drivers Control panel3 function buttons (Power, Scan, Copy), navigation and selection buttons (Up arrow, Down arrow, Back, OK), Cancel, Setup ADF specifications Automatic document feeder capacityStandard, 50 sheets Automatic document feeder speed Up to 15 ppm/6 ipm (using HP Scanning Software) Scanning options (ADF)Two-sided Scan size (ADF), maximum216 x 356 mm Compatible operating systems Compatible operating systems Windows 8, Windows 7, Windows Vista, Windows XP (32-bit and 64-bit), Windows XP 64-bit, Windows 2000, Mac OS X v10.6, Lion and Mountain Lion Mac compatibleYes Connectivity Connectivity, standardHi-Speed USB 2.0 Connectivity, optionalSilex SX-DS-3000U1 Fast Ethernet USB Device ServerSilex SX-3000GB Gigabit Ethernet USB Device ServerSilex SX-DS-3000WAN 802.11n Wireless and Gigabit Ethernet USB Device ServerSilex SX-DS-4000U2 High Performance Gigabit Ethernet USB Device Server Twain version Version 1.9