Fujitsu ScanPartner FI-4120C Color Duplex Scanner Not Compatible with Windows 7 True 600 dpi optical resolution; scans up to 25 pages per minute Dual-CCD array scans both sides of a document simultaneously 50-page automatic document feeder handles think and thin media Adobe Acrobat 6.0, ScandAll 21, and QuickScan utilities SCSI-2 and USB 1.1 interfaces (selectable); PC only