Impressão de código de Barras

package br.com.fit.teste;

import java.io.FileOutputStream;
import java.text.DecimalFormat;
import java.text.NumberFormat;

import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.Barcode39;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;

public class TesteBarCode {

	public static void main(String[] args) {
		System.out.println("gerando arquivo");
		try {
			Document document = new Document(PageSize.A4, 0, 0, 0, 0);
			PdfWriter writer = PdfWriter.getInstance(document,
					new FileOutputStream("etiquetasCPX.pdf"));
			document.open();
			PdfContentByte cb = writer.getDirectContent();
			cb.beginText();
			BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
					BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
			

			Barcode39 code39 = new Barcode39();
			NumberFormat nf = new DecimalFormat("0000000");
			String siglaProdutor = "CPX";
			
			for (int i = 2803655; i < 2803855; i++) {
				String numEtiqueta = nf.format(i);
				String barCode = siglaProdutor + numEtiqueta;
				document.newPage();
				code39.setCode(barCode);
				code39.setBarHeight(40);
				code39.setFont(null);
				
				cb.setLineWidth(1f);
				cb.moveTo(308,465);
				cb.lineTo(308,365);
				cb.stroke();
								
				Image image = code39.createImageWithBarcode(cb, null, null);				
				
				cb.setFontAndSize(bf, 70);
				cb.setTextMatrix(72, 770);
				cb.showText(siglaProdutor + " " + numEtiqueta);
				cb.addImage(image,230,0,0,40,180,700); 
				
				cb.setFontAndSize(bf, 70);
				cb.setTextMatrix(72, 580);
				cb.showText(siglaProdutor + " " + numEtiqueta);				
				cb.addImage(image,230,0,0,40,180,510); 
				
				cb.setFontAndSize(bf, 18);
				cb.setTextMatrix(112, 430);
				cb.showText(siglaProdutor + " " + numEtiqueta);				
				cb.addImage(image,190,0,0,30,72,390); 
				
				cb.setFontAndSize(bf, 18);
				cb.setTextMatrix(390, 430);
				cb.showText(siglaProdutor + " " + numEtiqueta);				
				cb.addImage(image,190,0,0,30,350,390);
				
				cb.setFontAndSize(bf, 70);
				cb.setTextMatrix(72, 280);
				cb.showText(siglaProdutor + " " + numEtiqueta);				
				cb.addImage(image,230,0,0,40,180,210);
				
				cb.setFontAndSize(bf, 70);
				cb.setTextMatrix(72, 90);
				cb.showText(siglaProdutor + " " + numEtiqueta);				
				cb.addImage(image,230,0,0,40,180,20); 
				
			}
			document.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}