Comment 42 for bug 891586

I already asked this on sane-devel. Olaf's response:

> > If 2CV67's numbers are correct that answer is not completly correct.
> >
> > Epson Perfection V200 scanimage
> > --resolution 300|2400|4800dpi [300]
> > Sets the resolution of the scanned image.
> > --x-resolution 75|300|600|1200|2400|4800dpi [300]
> > Sets the horizontal resolution of the scanned image.
> > --y-resolution 100|200|300|400|600|800|1200|1800|2400|3600|4800|6600|9600dpi [300]
> >
> > The intersection would be 300|600|1200|2400|4800 but 600 and 1200 are
> > missing from the list generated by scanimage.
Good catch. My explanation was not quite complete.

If you try the help with --source="Transparency Unit", you should see
slightly different lists of --x-resolution and y-resolution values. The
list of --resolution values is the intersection of these lists and those
above.

Hope this helps,
Olaf Meeuwissen