{
  config,
  pkgs,
  lib,
  ...
}: {
  networking.firewall = {
    enable = true;
    allowedTCPPorts = [631 6566];
    allowedUDPPorts = [631 6566];
  };
  services = {
    printing = {
      enable = true;
      drivers = with pkgs; [epson-escpr];
      listenAddresses = ["*:631"];
      defaultShared = true;
      browsing = true;
      allowFrom = ["all"];
      extraConf = ''
        ServerAlias *
        DefaultEncryption Never
      '';
    };
    udev.packages = [];

    saned = {
      enable = true;
      extraConfig = ''
        100.69.222.80
        10.0.24.0/24
        10.0.0.1/24
        foureighty
        hagath
      '';
    };
  };

  hardware.printers.ensurePrinters = [
    {
      description = "Epson XP-540";
      location = "connected to bolty";
      name = "epson_xp540";
      deviceUri = "usb://EPSON/XP-540%20Series?serial=583245393030303936&interface=1";
      model = "raw";
      ppdOptions = {PageSize = "A4";};
    }
  ];

  hardware.sane = {
    enable = true;
    extraBackends = with pkgs; [sane-airscan gawk];
    snapshot = true;
  };

  environment.systemPackages = with pkgs; [gawk];
}