Impressão no Java

Impressora.java

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintException;
import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.SimpleDoc;

/**
 *
 * @author Samuelson Brito
 */
public class Impressora {
    
    
 public static void imprimir(String texto) {
     
        DocFlavor df = DocFlavor.INPUT_STREAM.AUTOSENSE;
        InputStream pis = new ByteArrayInputStream(texto.getBytes());

        Doc d = new SimpleDoc(pis, df, null);
        PrintService p = PrintServiceLookup.lookupDefaultPrintService();

        if (p != null) {
            DocPrintJob job = p.createPrintJob();
            try {
                job.print(d, null);
            } catch (PrintException e) {
                System.err.println("Erro impressora:"+e);
            }
        }
    }
    
}