passbook and cashiers checks, Time cards and parking stubs Multi-layer contracts for signature Fire alarm systems, Point-of-sale terminals, British & Irish fire stations for turnout sheets Applications requiring continuous output on fan-fold paper. Thermal printing is gradually supplanting them in some of these applications, but full-size dot-matrix impact printers are still used to print multi-part stationery. For example, dot matrix impact printers are still used at bank tellers and auto repair shops, and other applications where use of tractor feed paper is desirable such as data logging and aviation. Most of these printers now come with USB interfaces as a standard feature, to facilitate connections to modern computers without legacy ports. References Impact matrix printers American inventions 20th-century inventions Computer-related introductions in 1970