Hi, i got this old dos program which i succesfully installed and run in a toshiba laptop running windows 7 64 bit OS. I've used a third part program Dosbox. Everything works fine except that i cannot print it in usb dot mattrx printer (epson lx 300 ii). If i use Windows program or office word, it can print well. I understand that dos program is program to output to LPT1. Anyone has an idea how can i print my dos program to usb dot mattrix?