Avahi aktivieren, MDNS für lokal erlauben, Firewall auf Zone home stellen, Drucker hinzufügen.
https://discovery.endeavouros.com/printers/printers/2021/03/
Edit: aus meiner eos_install.txt:
### printer
sudo systemctl start cups.service && sudo systemctl enable cups.service
sudo pacman -Syu cups cups-filters cups-pdf system-config-printer ghostscript gsfonts foomatic-db-engine foomatic-db foomatic-db-ppds foomatic-db-nonfree foomatic-db-nonfree-ppds gutenprint foomatic-db-gutenprint-ppd print-manager --needed
# change mdns settings
sudo nano /etc/nsswitch.conf
hosts: mymachines mdns_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] files myhostname dns
sudo systemctl restart avahi-daemon.service