small fix to printers

hosts/common/optional/printing.nix

@@ -15,13 +15,18 @@ in {
       enable = true;
       nssmdns4 = true;
       openFirewall = true;
+      publish = {
+        enable = true;
+        addresses = true;
+        userServices = true;
+      };
     };
   };
 
   hardware = {
     sane = {
       enable = true;
-      extraBackends = [pkgs.sane-airscan];
+      extraBackends = [pkgs.sane-airscan pkgs.hplipWithPlugin];
       netConf = "${serverIp}";
       openFirewall = true;
     };
@@ -29,7 +34,7 @@ in {
       ensurePrinters = [
         {
           name = "HP_ENVY_6000";
-          description = "Network printer hosted on bob";
+          description = "Network printer hosted on merlin";
           location = "home";
           deviceUri = "ipp://${serverIp}/printers/HP_Envy_6000";
           model = "everywhere";