On Thu, Jun 25, 2020 at 10:11:36PM -0400, Kyle Andrews wrote: > (use-modules ... > (gnu packages cups) > ...) > (service cups-service-type > (cups-configuration > (extensions > (list hplip-minimal cups-filters splix)) > (server-name host-name) > (host-name-lookups #t) > (web-interface? #t))) Hi Kyle, Just a wild guess, but how about declaring cups and splix in the `packages` part of your config.scm? WŻ