On 4/2/20 3:36 PM, Goran Vukoman wrote:
$ ~/go/bin/airscan-discover
[devices]
   "EPSON WF-2850 Series" = http://192.168.178.47:80/WDP/SCAN, wsd
   "EPSON WF-2850 Series" = http://192.168.178.47:443/eSCL

This works well, I will need to update my Linux-installation to get
Sane 1.0.29.

You have eSCL, this is very good.

You may use "old" (without WSD) sane-airscan, and binary packages are available from here:

https://github.com/alexpevzner/sane-airscan

It seems to me, that your scanner erroneously announces itself as "http", but actually does "https". If automatic discovery doesn't work,
add the following line to /etc/sane.d/airscan.conf:

[devices]
"EPSON WF-2850 Series" = https://192.168.178.47:443/eSCL

Please let me know, if my suspicions turn out to be true. And at this case, please send output of the following two commands, so I will be able to think on workaround. The commands are:

avahi-browse -rt _uscan._tcp
avahi-browse -rt _uscans._tcp

(note the difference "_uscan" vs "_uscans").

--

        Wishes, Alexander Pevzner ([email protected])

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