nixos/hosts/common/optional/printing.nix

{pkgs, ...}: {
  services = {
    udev.packages = [pkgs.sane-airscan];
    printing = {
      enable = true;
      drivers = [pkgs.gutenprint pkgs.hplip];
    };
    avahi = {
      enable = true;
      nssmdns4 = true;
      openFirewall = true;
    };
  };

  hardware = {
    sane = {
      enable = true;
      extraBackends = [pkgs.sane-airscan];
      netConf = "10.0.10.2";
    };
    printers = {
      ensurePrinters = [
        {
          name = "HP_ENVY_6000";
          description = "Network printer hosted on bob";
          location = "bob";
          deviceUri = "ipp://bob/printers/HP_ENVY_6000_series";
          model = "everywhere";
          ppdOptions = {
            PageSize = "A4";
          };
        }
      ];
    };
  };
}