What is the function of "paper roll" in Verifone thermal printers?

The function of the "paper roll" in Verifone thermal printers is to print transaction receipts for customers. Thermal printers utilize heat to transfer ink onto the paper, producing a clear and legible printout of the transaction details. This is crucial for customer interactions as it provides them with a proof of purchase and records essential information such as the date, amount, and items purchased. The use of paper rolls ensures a continuous supply of printing material, allowing transactions to be completed efficiently without interruptions.

While other functions like storing records or enhancing connectivity are essential to the overall operation of payment systems, they do not specifically relate to the function of the paper roll in the context of printing receipts.