comment supprimer les marges lors de l'impression

je veux supprimer les marges lors de l'impression de jtable
Code:
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Calendar cal = new GregorianCalendar();
		               int month =cal.get(Calendar.MONTH);
		               int year =cal.get(Calendar.YEAR);
		               int day =cal.get(Calendar.DAY_OF_MONTH);
		               StringBuilder builder = new StringBuilder();
 
		           MessageFormat header = new MessageFormat("Liste des clients  "  +year+"/"+(month+1)+"/"+day + comboBox.getSelectedItem().toString()+ "Nombre de clients:"+ txtNombreDeClients.getText() );
		         // header.parseObject(source, pos);
			         //String TimeStamp = new SimpleDateFormat("yyyyMMddHHmmss").format(Calendar.getInstance().getTime());
 
 
			            MessageFormat footer = new MessageFormat(textField.getText() +"/"+textField_1.getText());
 
			           // MessageFormat footer = new MessageFormat("Page{0,number,integer},"  );
 
			            try {
			                table_1.print(JTable.PrintMode.FIT_WIDTH,header,footer);
 
 
			            } catch (java.awt.print.PrinterException e1){
			                System.err.format("Cannot print %$%n",e1.getMessage());
			            }