2 1/4 X 55 THERMAL PAPERFOR CREDIT CARD TERMINALS THERMAL PRINTERSBOX 50 ROLLS his paper is great for printing easy-to-read sales records, helping to keep track of purchases for future reference. ade of thermal paper, this register roll reacts to a heat source in order to reveal sales information for each transaction, ensuring that printing will be clear, crisp, and accurate without needing ink. This paper roll is made to fit in a variety of common credit, debit, and point of sale (POS) machines