gistfile1.txt

            var r = new StringReader(ss);
            var xmlreader = XmlReader.Create(r);
            var doc = XamlReader.Load(xmlreader) as FixedDocument;

            // get writer
            LocalPrintServer server = new LocalPrintServer();
            PrintQueue pq = server.DefaultPrintQueue;
            var writer = PrintQueue.CreateXpsDocumentWriter(pq);


            //add queue
            writer.Write(doc);