nix-config/hosts/common/optional/printing.nix

{
  config,
  lib,
  pkgs,
  ...
}: {
  services = {
    # Printer Setup
    printing.enable = true;
    avahi = {
      enable = true;
      nssmdns4 = true;
      nssmdns6 = true;
      # for a WiFi printer
      openFirewall = true;
    };
    udev.packages = [pkgs.utsushi];
  };

  # Scanner Setup
  hardware.sane = {
    enable = true;
    extraBackends = [pkgs.utsushi];
  };
}