scanning in GNU Guix

[gfp]

Hi Guix,

as I wrote approx. 2 years ago,
now I have the proof.

I can print in Guix SD with my very old printer
HP Officejet J4580 All-in-One
but I can´t _scan_.

Now after installing GNU Trisquel
in a VM in GNU Guix
I can print and scan with the same printer.

So, what is the difference between
GNU Guix and GNU Trisquel
that I can´t scan in GNU Guix?

thanks

Gottfried

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