{ pkgs, config, ... }: {
    services.printing.enable = true;
    services.avahi.enable = true;
    # for a WiFi printer
    services.avahi.openFirewall = true;
    services.avahi.nssmdns = false; # Use the settings from below
    # settings from avahi-daemon.nix where mdns is replaced with mdns4
    system.nssModules = pkgs.lib.optional (!config.services.avahi.nssmdns) pkgs.nssmdns;
    system.nssDatabases.hosts = with pkgs.lib; optionals (!config.services.avahi.nssmdns) (mkMerge [
        (mkBefore [ "mdns4_minimal [NOTFOUND=return]" ]) # before resolve
        (mkAfter [ "mdns4" ]) # after dns
    ]);
}