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aspmx1.migadu.com; dkim=pass header.d=tobias.gr header.s=2018 header.b=VTGcIBjG; dmarc=pass (policy=reject) header.from=tobias.gr; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -5.72 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=tobias.gr header.s=2018 header.b=VTGcIBjG; dmarc=pass (policy=reject) header.from=tobias.gr; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: ADCA0BCB7 X-Spam-Score: -5.72 X-Migadu-Scanner: scn0.migadu.com X-TUID: gdj4GJ8hmlPX --=-=-= Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Daniel! Daniel Mei=C3=9Fner =E5=86=99=E9=81=93=EF=BC=9A >> Printer 'EPSON-...' requires the >> '/gnu/store/...-cups-2.3.3/lib/cups/filter/epson-escpr-wrapper', >> program but it is not currently installed. Please install it=20 >> before >> using this printer. Interesting here is that it's looking in =E2=80=A6-cups-2.3.3 where I=20 believe it should look in =E2=80=A6-cups-server-bin instead. The former=20 is merely the upstream CUPS package, whilst the latter is a union=20 of CUPS with its extensions (drivers). Can you confirm that the file printed by $ ps auxwww | grep -o '/gnu/store/[^ ]*cups-files.conf' contains DataDir /gnu/store/=E2=80=A6-cups-server-bin/share/cups ServerBin /gnu/store/=E2=80=A6-cups-server-bin/lib/cups ? You should find lib/cups/filter/epson-escpr-wrapper under this=20 ServerBin. > Looking in the system profile I cannot find it: =E2=80=98find > /run/current-system/profile -name "epson-escpr-wrapper"=E2=80=99 shows=20 > no > results. There is also no cups directory under > /run/current-system/profile/lib. Am I missing something? Just that there's no reason for epson-escpr-wrapper to be anywhere=20 in /run/current-system in the first place. It should be in the=20 union directory I mentioned above, and CUPS should find it there. I don't currently have access to an Epson printer, but I'll try to=20 add one anyway. See if you can divine any useful chunks from the puddle of vomit=20 that CUPS produces when configured with: (cups-configuration =E2=80=A6 (log-level 'debug2) =E2=80=A6) There's also (access-log-level 'all) but it's probably not=20 relevant here. Kind regards, T G-R --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iIMEARYKACsWIQT12iAyS4c9C3o4dnINsP+IT1VteQUCYajKUg0cbWVAdG9iaWFz LmdyAAoJEA2w/4hPVW15emAA/i7PfxaHUKqoPF26H6A856NVm1QhHOOo2JsVSTRk Tq1/AQDwh6ZfgzwWUTHenvLDqxT4d2S7Pq/383EdaZxxTV3xCg== =Y3v3 -----END PGP SIGNATURE----- --=-=-=--