In high-volume, mission-critical environmentsâthink airline check-in counters, bank teller stations, lottery terminals, and self-service kiosksâFujitsu thermal printers are a trusted workhorse. But hardware alone doesnât deliver crisp receipts, boarding passes, or labels. The unsung hero is the Fujitsu thermal printer driver . What Is It? A thermal printer driver is a software translator. It converts complex print jobs from your operating system (Windows, Linux, or legacy OS like Windows Embedded POSReady) into precise thermal commands the Fujitsu printer understandsâspecifically, how hot to make the print head, where to place dots, and when to advance the paper.