diff -up cups-2.0rc1/backend/dnssd.c.dnssd-deviceid cups-2.0rc1/backend/dnssd.c

--- cups-2.0rc1/backend/dnssd.c.dnssd-deviceid	2014-06-30 16:27:01.000000000 +0200

+++ cups-2.0rc1/backend/dnssd.c	2014-09-12 14:08:38.624252208 +0200

@@ -1196,15 +1196,22 @@ query_callback(

   if (device->device_id)

     free(device->device_id);

+  if (device_id[0])

+  {

+    /* Mark this as the real device ID. */

+    ptr = device_id + strlen(device_id);

+    snprintf(ptr, sizeof(device_id) - (ptr - device_id), "FZY:0;");

+  }

+

   if (!device_id[0] && strcmp(model, "Unknown"))

   {

     if (make_and_model[0])

-      snprintf(device_id, sizeof(device_id), "MFG:%s;MDL:%s;",

+      snprintf(device_id, sizeof(device_id), "MFG:%s;MDL:%s;FZY:1;",

 	       make_and_model, model);

     else if (!_cups_strncasecmp(model, "designjet ", 10))

-      snprintf(device_id, sizeof(device_id), "MFG:HP;MDL:%s", model + 10);

+      snprintf(device_id, sizeof(device_id), "MFG:HP;MDL:%s;FZY:1;", model + 10);

     else if (!_cups_strncasecmp(model, "stylus ", 7))

-      snprintf(device_id, sizeof(device_id), "MFG:EPSON;MDL:%s", model + 7);

+      snprintf(device_id, sizeof(device_id), "MFG:EPSON;MDL:%s;FZY:1;", model + 7);

     else if ((ptr = strchr(model, ' ')) != NULL)

     {

      /*

@@ -1214,7 +1221,7 @@ query_callback(

       memcpy(make_and_model, model, (size_t)(ptr - model));

       make_and_model[ptr - model] = '\0';

-      snprintf(device_id, sizeof(device_id), "MFG:%s;MDL:%s",

+      snprintf(device_id, sizeof(device_id), "MFG:%s;MDL:%s;FZY:1;",

 	       make_and_model, ptr + 1);

     }

   }