PrintService defaultPrintService =null; 
//Поиск нужного принтера
            if (printer==null) {defaultPrintService= PrintServiceLookup.lookupDefaultPrintService(); } 
                                   else {
                                       
                                       PrintService[] service = PrintServiceLookup.lookupPrintServices(null, null);
                                       for (PrintService sp:service) {
 if (sp.getName().equals(printer)) {defaultPrintService=sp;break;}
 if (defaultPrintService==null) 
defaultPrintService= PrintServiceLookup.lookupDefaultPrintService();
}
                                   }

//Конец поиска нужного принтера
             DocPrintJob printerJob = defaultPrintService.createPrintJob();  
            SimpleDoc simpleDoc = null;  
       
                        try {  
               
               InputStream pdfFile=new FileInputStream("xmldesktop/tmprep/tmp.pdf");
               if (Platform.isWindows()) simpleDoc = new SimpleDoc(pdfFile, DocFlavor.INPUT_STREAM.AUTOSENSE, null);  
                   else   simpleDoc = new SimpleDoc(pdfFile, DocFlavor.INPUT_STREAM.PDF,null );  
                           
                    
                        }  
                        catch ( Exception fe) { fe.printStackTrace();  }
                    try {  
                        printerJob.print(simpleDoc,null);  
                    } catch (PrintException ex) {  
                        ex.printStackTrace();  
                    }  
                      
        }