services: printing: enable browsing, add drivers

modules/services/printing/module.nix

@@ -18,15 +18,28 @@ in {
         tempDir = "/tmp/cups";
 
         # Do not advertise shared printers.
-        browsing = false;
+        browsing = true;
+
+        # browsedConf = ''
+        #   BrowseDNSSDSubTypes _cups,_print
+        #   BrowseLocalProtocols all
+        #   BrowseRemoteProtocols all
+        #   CreateIPPPrinterQueues All
+
+        #   BrowseProtocols all
+        # '';
 
         # Enable the CUPS webinterface, accessible at localhost:631.
         webInterface = true;
 
+        logLevel = "debug";
+
         # Some local or network printers might need additional drivers.
         #  These can be added into here.
-        drivers = [
-          pkgs.cups-kyocera-ecosys-m552x-p502x
+        drivers = with pkgs; [
+          gutenprint
+          cups-kyocera-ecosys-m552x-p502x
+          cups-filters
         ];
       };
 
@@ -35,6 +48,7 @@ in {
       avahi = {
         enable = true;
         nssmdns4 = true;
+        nssmdns6 = true;
         openFirewall = true;
       };
     };