Calibrate from the printer directly Step 1 . Identify the model of your printer Step 2. Select the article for your corresponding printer Step 3. Open the related "Calibrate from the Printer's Interface" article (e.g. Printronix T800 ) Note : Each printer has its own approach of calibrating it. If you encounter any issues or have any questions, feel free to email us at support@simplerfid.com !