David, I have no experience with the Canon scanners. But, I do have similar happenings with my HP all-in-one--with all recognition applications. What helps me is to unplug and re-plug the USB connector for the scanner. --Steve At 11:19 AM -0500 11/5/05, David Eckard wrote: > I'm really hoping one of you has experienced this issue. I >recently installed Acrobat 7 and Photoshop CS2 on my G4 machine running >Tiger. I have a Canon LiDE30 scanner.