Imprimir pela porta paralela

package Impressora_Atual;

import java.awt.*;

public class Imprime_PPLA { 

    public Imprime_PPLA() {
        super();
    } 
    
    public static void main(String[] args) {
        Frame f = new Frame(); 
        f.pack();
        String frame_="";
        
        StringBuffer cabecalho = new StringBuffer("31333030303030303131303030303042415220434F4445204F203A0D");
        
        String cabecalhoHexToString = new String("");
			
        for(int i = 0; i < cabecalho.length(); i += 2){
            String cabecalhoTemp = cabecalho.substring(i, i + 2);             
            cabecalhoHexToString += new Character((char)(Integer.valueOf(cabecalhoTemp,16).intValue())).toString();
            frame_=cabecalhoHexToString;
        }
        
        StringBuffer frase = new StringBuffer("313330303030303030393030303030434F44452039330D");
        
        String fraseHexToString = new String("");
			
        for(int i = 0; i < frase.length(); i += 2){
            String fraseTemp = frase.substring(i, i + 2);             
            fraseHexToString += new Character((char)(Integer.valueOf(fraseTemp,16).intValue())).toString();
            frame_=fraseHexToString;
        }
        
        StringBuffer frase1 = new StringBuffer("3130303030303030383030313230434F4445203933204F4B0D");
        
        String frase1HexToString = new String("");
			
        for(int i = 0; i < frase1.length(); i += 2){
            String frase1Temp = frase1.substring(i, i + 2);             
            frase1HexToString += new Character((char)(Integer.valueOf(frase1Temp,16).intValue())).toString();
            frame_=frase1HexToString;
        }
        
        String frase_completa = cabecalhoHexToString + fraseHexToString + frase1HexToString;
        System.out.println(frase_completa);
        
        Toolkit tk = f.getToolkit(); 

        PrintJob pj = tk.getPrintJob(f, "print1", null); 

        if (pj!=null) { 
           Graphics g = pj.getGraphics(); 
           g.drawString(frase_completa,0,25);
           g.dispose(); 
           pj.end(); 
           f.dispose();
        }
    } 
 }

public class HexToString{

    public static void main(String[] args){

        StringBuffer s = new StringBuffer("6F");

        String sHexToString = new String("");

        for(int i = 0; i < s.length(); i += 2){
           String sTemp = s.substring(i, i + 2);
          
           sHexToString += new Character((char)(Integer.valueOf(sTemp,16).intValue())).toString();
           
        }

        System.out.println(sHexToString);
    }
}