[sane-devel] Epson Perfection V300 and the backend

Olaf Meeuwissen paddy-hack at member.fsf.org
Thu Mar 8 11:09:46 UTC 2018

Hi Todd,

ToddAndMargo writes:

> Hi All,
> Fedora 27
> iscan-gt-f720-bundle-1.0.1.x64.rpm
> By change is the Epson Perfection V300 included in
> the rpm's front end, but not its back end?

I just remembered I wrote a section about the network configuration for
iscan a decade or so ago.  Have a look at


and see if some of that helps.

> Scanimage can find it,
> $ scanimage -L
> device `epkowa:interpreter:001:008' is a Epson Perfection V300 flatbed
> scanner
> but saned cannot.
> saned[16940]: [net] sane_init: done
> saned[16940]: [dll] init: backend `net' is version 1.0.27
> saned[16940]: [net] sane_get_devices: local_only = 1
> saned[16940]: [dll] sane_get_devices: found 0 devices
> saned[16940]: saned exiting
> If not, how do I get the V300 into the back end?

Does saned's dll load the epkowa backend?  I think you can check by
running it in standalone mode and get the dll backend to output the
debug info with

  sudo SANE_DEBUG_DLL=128 saned -d128

You are of course looking at the saned output from a saned that runs on
the machine to which your V300 is connected, right?

Hope this helps,
Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
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