Thanks Jorpho! I will try using the approach of putting a batch file under the startup folder instead of using autoexec.nt. That should do it. One thing I still don't understand: "net use LPT1..." used to be working under the [autoexec] section of dosbox.conf. But it doesn't work any more after I …

That explain why. I connected the printer directly through USB and now it works. Thanks for the clarification. I still have some issues unsolved. I was using LPT1 for the old printer. I tried to set the new printer to LPT1 under the dosbox config file. The autoexec doesn't work. It was working with …

Sorry for the late reply. Thanks for your helps. I managed to get it working but I have forgotten to come back to reply. It happens to be the "Print to Text" setting. Once I set this option for the printer, the DOS program prints fine. BTW, the DOS program I am using is a HVAC engineering program …

I am trying to print files through an on DOS program. I have following the instruction of some old threads http://www.vogons.org/viewtopic.php?t=25483&postdays=0&postorder=asc&start=20 and getting very close. In summary, I am running DOSBOX MegaBuild6 under Windows 7 and XP (I am testing on both …