Sorry Scanner Could Not Be Initialized. Hp G85 HP PrecisionScan LTX Can't Locate The Scanner....help?

HP PrecisionScan LTX can't locate the scanner....help? - sorry scanner could not be initialized. hp g85

I just changed my HP ScanJet 2200c scanner on my PC, Windows Vista.I see "driver installed, but when I scan, I get the error message:" Sorry, scanner could not be initialized. (Scanner not found.) "The program runs in compatibility mode for Windows XP Service Pack 2 What can I do to make the appearance of the program for the scanner?