Here you have; The performance wax ribbon formulated for high-quality printing on both coated and uncoated paper facestocks. 5319 wax ribbon offers unmatched printing for both visible light and infrared scannability. Excellent performance on tough-to-print uncoated and uneven tag stocks. Prints at speeds up to 8 inches per second. These thermal ribbons are guaranteed to deliver premium print quality and durability every time. The ribbons are put through stringent quality tests to ensure that they consistently deliver the best possible results. This means prolonged printhead life, decreased total cost of ownership, and exceptional scanning performance.