With the HP Scanjet 5550c digital flatbed scanner you get professional-quality results up to 2400-dpi and 48-bit color for everything you scan - text, graphics, and photos. Scan multiple pages unattended using the included 35-page automatic document feeder. And you can streamline the electronic storage of your documents using ScanSoft PaperPort software!In addition to high resolution scanning of up to 600 dpi the scanner also boast high scanning speeds of 10 ppm in mono (at 200 dpi) and 3 ppm in color (at 150 dpi) using the automatic document feeder. The 5550c has a USB interface enabling easy installation with PC's allowing you to scan and store documents with ease.