[sane-devel] Epson Perfection V800 error

Olaf Meeuwissen olaf.meeuwissen at avasys.jp
Thu May 7 03:49:32 UTC 2015

Ron Falkowski writes:

> Hello all,
> I've been using an array of V700 scanners for research purposes with no
> problems. Since they've been discontinued, we've bought a few V800s to test
> and make sure they work with our current system. I saw this message (
> http://lists.alioth.debian.org/pipermail/sane-devel/2015-February/033155.html)
> which claims that the V800 will work with one addition to the config files.
> I've made that change and the new scanners still will not work. "scanimage
> -L" recognizes the new scanner (as a GT-X980, as expected), but attempting
> a scan fails.
> I tried running the following command:
> scanimage --device-name=epson2:libusb:001:119 --format=tiff >test.tif
> That command works with the V700 scanners, but gives the error "scanimage:
> open of device epson2:libusb:001:119 failed: Invalid argument" for the
> V800. Is there some part of the command that is necessary for the V800s
> that I'm missing? Is some additional plugin like iscan that is also
> required?

Unlike the V700, the V800 does not require any additional interpreter
plugin, if that's what you mean.

Have you checked the sane-backends version you are using?  The post you
refer to mentions 1.0.24 (on Debian's jessie).

Another possibility is a case of unsupported or conflicting default
parameters.  Have a look at the output of scanimage --help.

Hope this helps,
Olaf Meeuwissen, LPIC-2           FLOSS Engineer -- AVASYS CORPORATION
FSF Associate Member #1962               Help support software freedom

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