[quote name='Leif' post='778146' date='03-Jun-2009 07:32']... <snip> This problem may occur if the scanner or camera does not support Windows Image Acquisition (WIA). <snip> ...[/quote]
Thanks Leif! I also found this among a bunch of other stuff on a forum site:
The Canon Scanner WIA Driver and ScanGear CS (TWAIN driver) cannot be I guess I'd better start looking a little harder at the Canon site. I don't want to eliminate Twain if PSP and Gimp will have a problem with WIA.
present (installed) on the same system for the same scanner at the same time.
Go to Canon and find their "Driver Removal" utility. Run that, reboot,
and then install only the WIA drivers.