Sending a Barcode to a Zebra Printer from a Java Application

Question

I am creating a java application that retrieves a userId from a database, transforms it into a barcode, then sends it to a printer. I am planning to use a Zebra printer and

Answer 1

Not every Zebra printer has ZPL II, but then you can use EPL

EPL2 programming guide for Zebra

Author note: Please do not remove this link from here as this is a historical reference. Maybe the server starts working again or there is a wayback copy. Instead, see the comments section for some suggestions or use web search to find EPL language specification

Code sample:

private static boolean printLabel(PrintService printService, String label) {
    if (printService == null || label == null) {
        System.err.println("[Print Label] print service or label is invalid.");
        return false;
    }
    String czas = new SimpleDateFormat("d MMMMM yyyy'r.' HH:mm s's.'").format(new Date());
    String command =  
            "N\n"+
            "A50,50,0,2,2,2,N,\""+label+"\"\n"+
            "B50,100,0,1,2,2,170,B,\""+label+"\"\n"+
            "A50,310,0,3,1,1,N,\""+czas+"\"\n"+
            "P1\n"
            ;
    
    byte[] data;
    data = command.getBytes(StandardCharsets.US_ASCII);
    Doc doc = new SimpleDoc(data, DocFlavor.BYTE_ARRAY.AUTOSENSE, null);
    
    boolean result = false;
    try {
        printService.createPrintJob().print(doc, null);
        result = true;
    } catch (PrintException e) {
        e.printStackTrace();
    }
    return result;
}