{ config, lib, pkgs, ... }: let inherit (lib) mkEnableOption mkIf; cfg = config.nx.hardware.printer; in { options.nx.hardware.printer.enable = mkEnableOption "printer support"; config = mkIf cfg.enable { services.printing = { enable = true; drivers = [ pkgs.brlaser ]; }; services.avahi = { enable = true; nssmdns4 = true; openFirewall = true; }; }; }