From 3c527c810967b231911940d44ed810e8cf83f1c7 Mon Sep 17 00:00:00 2001
From: Julian Sutter <jsutter@symbiotip.com>
Date: Thu, 26 Dec 2024 23:27:37 -0800
Subject: [PATCH] 2dprinting

---
 desktop/2dprinting.nix | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/desktop/2dprinting.nix b/desktop/2dprinting.nix
index 3865036..fa5de7f 100755
--- a/desktop/2dprinting.nix
+++ b/desktop/2dprinting.nix
@@ -1,13 +1,27 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 
 {
+  # Enable printing services with dynamic detection
+  services.printing = {
+    enable = true;
+    drivers = [ 
+      pkgs.hplipWithPlugin   # HP printer driver with proprietary plugin support
+      pkgs.brlaser   # Brother printer drivers
+    ];
 
-  services.printing.enable = true;
-  services.printing.drivers = [ pkgs.brlaser ];
+    # Set default paper size via CUPS configuration
+    extraConf = ''
+      DefaultPaperSize Letter
+    '';
+  };
 
+  # Enable Avahi for printer discovery (IPv4 only)
   services.avahi = {
     enable = true;
-    nssmdns = true;
+    publish.enable = true;
+    publish.addresses = true;
+    nssmdns4 = true;  # Enable mDNS for IPv4
+    nssmdns6 = false; # Disable mDNS for IPv6 to prevent timeouts
   };
 
   networking.firewall.allowedTCPPorts = [ 631 ];