Impresión de Interfaz Gráfica de Usuario

import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import static java.awt.print.Printable.NO_SUCH_PAGE;
import static java.awt.print.Printable.PAGE_EXISTS;
import java.awt.print.PrinterException;
/**
 * @see https://www.jc-mouse.net
 * @author mouse
 */
public class MiPrintable implements Printable {
    
    private Component component;

    public MiPrintable(Component component) {
        this.component = component;
    }

    @Override
    public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {
        if (pageIndex > 0) {
            return NO_SUCH_PAGE;
        }
        Graphics2D g2d = (Graphics2D) graphics;        
        g2d.translate(20, 20);
        component.paint(g2d);        
        return PAGE_EXISTS;
    }
    
}

 1     private void btnImprimirActionPerformed(java.awt.event.ActionEvent evt) {                                            
 2         MiPrintable mp = new MiPrintable(this);
 3         PrinterJob job = PrinterJob.getPrinterJob();
 4         job.setPrintable(mp);
 5         boolean ok = job.printDialog();
 6         if (ok) {
 7             try {
 8                 job.print();
 9             } catch (PrinterException ex) {
10                 System.err.println(ex.getMessage());
11             }
12         }
13     }