scanner type: flatbed, adf ; scan tech: charge coupled device (ccd) adf capacity: standard, 200 sheets (75 g/m2) adf scan speed: upto 50 ppm/100 ipm (letter/a4, b & w/greyscale/col, 200 dpi, tiff file, using hp smart document scan sw), upto 40 ppm/80 ipm (letter/a4, b & w/greyscale, 300 dpi), upto 40 ppm/78 ipm (letter/a4, col, 300 dpi) media size, adf: letter, legal, executive, a3, a4, a5, a6, us check, long paper up to 864mm duty cycle: 5000 pages per day ; scan res: optical: upto 600 dpi hardware: flatbed: upto 2400 x 2400 dpi, adf: upto 600 x 600 dpi scan input modes: quick start buttons to hp smart document scan sw & hp doc copy; sw scan using hp smart document scan sw; user app via twain, isis, wia or kofax vrs pro drivers scan file formats: bmp, jpg, tiff, tiff (compr), multi-page tiff, png, pdf (formatted text & graphics, normal with images, searchable image over text, mrc), pdf/a, rtf, txt, unicode, htm, doc, wpd, xml, xls, opf, xps col bit depth/greyscale levels: 48-bit internal/24-bit external image scaling or enlargement range: 1 to 999% in 1% increments doc scan size (adf): max: 300 x 864 mm ; min: 70 x 148 mm multi-feed detection: yes, ultrasonic ; media weight: 49 to 120 g/m2 control panel: 2 quick-start buttons (scan, copy), cancel, tools, powersave min sys reqs: usb 1.1+, cd-rom drive, 1024 x 768 svga mon, 16-bit col, 80mb (drivers only), 300mb (min) free hard disk space i/face: hi-speed usb 2.0 ; dim (w/d/h): 692 x 558 x 338 mm; weight: 27 kg***** bulk freight charges $20 apply *******