My scanner isn't responding. It is connected to a SCSI interface using Windows XP

I have a Microtek ScanMaker 9600XL scanner. The best part about it is that it is 12x17 inches. Wowza! The worst part about it is that I've had it working at one point, with the same cable, same card, same computer, but have since re-installed Windows XP on it. Currently it will turn on, and blink the Power and Ready lights. They should be solid. I've done my best to find documentation for this, but all I've really gotten is the content on the Microtek site . I've tried turning the scanner on, then the PC. Turning the PC on, then the scanner. When I try launching the software it pops up a dialo

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