The 3910IS dot matrix printer delivers outstanding performance at up to 600 cps so you get more work done faster. It is designed with one paper path serving either front or bottom feed. This versatile workhorse have all the features needed for mission-critical printing. The rugged 3910IS belong to a family of printers that have proven themselves in the most extreme environments from dusty, exposed warehouses to backoffice operations where every second counts and nonstop printing is essential.