Control Codes Supported
\r(CR) - Carriage Return\n(LF) - Line Feed\f(FF) - Form Feed\t(HT) - Horizontal Tab\b(BS) - Backspace
OkayData ML-320 Dot Matrix Printer Simulation
\r (CR) - Carriage Return\n (LF) - Line Feed\f (FF) - Form Feed\t (HT) - Horizontal Tab\b (BS) - Backspace