[sane-devel] Scanning with Epson WF-4820, USB-connected.

[Brian Potkin]

On Fri, 23 Dec 2022 at 06:13, Ralph Little <skelband at gmail.com> wrote:

[...]

> I believe that the USB connection should still be using pixma
> protocols via the pixma backend.

G.W. Haywood is using Debian bullseye on a Raspberry Pi.
USB is managed by ipp-usb on that OS, provided the device supports
IPP-over-USB (which it should do).

Install sane-airscan and look at what 'scanimage -L' gives. escl
and airscan should be present in the output.