Scanner (Canon n1240u) fails with "invalid parameter"

[Norman Silverstone]

<snip>
>
> I pulled down VueScan (which I will not use for various reasons), and
> the scanner works fine.
>
> I tried to google for a sane/xsane driver for this scanner and my
> browser can't find the site (www.sane-project.org) - doesn't seem to
> exist.
>
I have a little experience with VueScan and I suggest that if it works 
with VueScan running on Ubuntu then the driver you need comes from the 
manufacturer of the scanner.

Norman