[sane-devel] Epson Perfection 4490 Photo

Krzysztof Hałasa khalasa at piap.pl
Mon Sep 28 05:29:12 BST 2026


Hi,

Ralph Little <skelband at gmail.com> writes:

> Hi,
> The 4490 is not currently supported by sane. I don't believe that the
> epson2 backend would necessarily help here, despite what our website says.
> I think that the intention was that it *could* be supported by the
> epson2 backend but does not currently. It is a little confusing.
>
> If I understand correctly, we rely on a binary-only backend from Epson.

Guess the protocol is much different than 3490/3590, despite the name
suggesting a simple version update? 3490/3590 uses some sort of SCSI
over USB and quite standard SCSI commands.
-- 
Łukasiewicz Research Network
Industrial Research Institute for Automation and Measurements PIAP

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