mdns_minimal [NOTFOUND=return]
in /etc/nsswitch.conf as indicated here https://wiki.archlinux.org/title/Avahigit clone https://aur.archlinux.org/cnijfilter2.git
cd cnijfilter2
makepkg -si
cd ..
git clone https://aur.archlinux.org/scangearmp2.git
cd scangearmp2
makepkg -si
sudo pacman -Sy nss-mdns
sudo vim /etc/nsswitch.conf
# Add mdns_minimal [NOTFOUND=return] in /etc/nsswitch.conf
sudo systemctl restart avahi-daemon
Then add printer using cups web interface at http://localhost:631