The GT-20000 offers the productivity benefits of advanced scanning technology in an affordable, large-format scanner. A versatile workgroup performer, this powerful product provides 600 x 1200 dpi resolution and 48-bit color for incredible detail on scans up to 11.7x 17. With its fast startup time, the GT-20000 is ready when you are. Scanning two-page spreads in a single pass, it can accommodate a variety of documents. It even offers an optional Automatic Document Feeder (ADF) for scanning up to 100 sheets without any user intervention, and without sacrificing image quality. The scanner's remarkable versatility allows it to easily handle virtually anything from small receipts to large financial reports. It even offers automatic document size detection, so there's no need for complicated settings or selections. And, it blazes through each scanning task at remarkable speeds, including 23 ppm for monochrome and 15 ppm for color with the optional ADF (A4 size, 200 dpi, Speed Priority Scanning Mode, simplex). The GT-20000 can quickly accommodate virtually any scanning project. This high-value product even includes Hi-Speed USB 2.0 and SCSI-2 connectivity. In addition, an optional network card is available, enabling busy workgroups to share a single scanner. This, coupled with its high-speed operation and incredible versatility, gives users the power they need, and productivity they've only imagined, for critical daily requirements. 600 x 1200 dpi resolution Color Hardware Bit Depth - 48 bits per pixel internal and 24 bits per pixel external (selectable) Grayscale Hardware Bit Depth - 16 bits per pixel internal; 8 bits per pixel external (selectable) Hi-Speed USB 2.0, SCSI 50-pin, network card optional (RJ-45,10Base-T/100Base-TX)