What is POS Printer Driver Setup v7.11? POS Printer Driver Setup v7.11 is a universal driver package developed primarily by Epson (and sometimes adapted for other brands like Bixolon, Star Micronics, or generic ESC/POS printers). Version 7.11 is a specific release that gained popularity for its stability and compatibility with Windows 7, 8, 10, and early Windows 11 systems, particularly in retail and hospitality environments.