//Get the first worksheet
Worksheet sheet = book.getWorksheets().get(0);
//Create a SheetRender object with respect to your desired sheet
SheetRender sr = new SheetRender(sheet, imgOptions);
//Print the worksheet
sr.toPrinter("Samsung ML-1520 Series");
//Create a WorkbookRender object with respect to your workbook
WorkbookRender wr = new WorkbookRender(book, imgOptions);
//Print the workbook