For Spark in combination with Star LC-8211 and operating system: Windows 98 / NT4 / 2000 / XP: Use 'Star LC-8211' or 'Epson LQ-860' printer-driver. Set custom-size for printer-driver to: Width : 20 cm Height: 5.1 cm SPECIAL NOTE: Be sure SparkEngine is set to 'Use special mode' and printertype is '24 pins'. Be sure printer-driver is set to 'Print directly to the printer'.