Not able to use the scan utility of the Epson SX218: permission problem?

[Colin Law]

On 13 July 2012 15:31, Bas Roufs <basroufs at gmail.com> wrote:
> Hello Everybody,
> Today, I have been following the instructions of - amongst others- this page
> at Ubuntu Forums:
> http://tinyurl.com/epsonsx218
>
> I have installed the both the printer driver and the "iscan" utility of the
> Epson SX 218 all in one.
> Printing works fine. However, scanning is still a problem, though I
> installed both the "data package" and "core package" of "Iscan".
> However, when using SANE, XSANE or GIMP, I still get stuck at the same
> point: "no devices available". One time I got an error messages starting
> with the words "access denied to the source file....". That's why, I am
> wondering whether I need to change the permissions somewhere. How can I find
> the file(s) whose permissions I need to change?

Does it work if you run iscan?

Colin