Hi Tobias! Thank you for responding promptly.
> Can you confirm that the file printed by > > $ ps auxwww | grep -o '/gnu/store/[^ ]*cups-files.conf' > > contains > > DataDir /gnu/store/…-cups-server-bin/share/cups > ServerBin /gnu/store/…-cups-server-bin/lib/cups > > ? Affirmative, this file contains those two lines. > You should find lib/cups/filter/epson-escpr-wrapper under this > ServerBin. Aha! Yes, it is there, indeed. >> Looking in the system profile I cannot find it: ‘find >> /run/current-system/profile -name "epson-escpr-wrapper"’ shows 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 > in /run/current-system in the first place. It should be in the > union directory I mentioned above, and CUPS should find it there. I see, I am very new to Guix, so I don't know the internals of Guix really. I naively assumed that I should find it in the system profile. > I don't currently have access to an Epson printer, but I'll try to > add one anyway. That'd be awesome, thank you. > See if you can divine any useful chunks from the puddle of vomit > that CUPS produces when configured with: > > (cups-configuration > … > (log-level 'debug2) > …) > > There's also (access-log-level 'all) but it's probably not > relevant here. Thanks for the hints, I will try to destill something from the logs. Best Daniel
