>>I just found a Usenet post that said you can't have a printer installed on the same port that OPOS is
>>using. Could this be your problem?
>I don't think so because I uninstall OPOS when not in use.
>I also delete the window driver for the receipt printer before I install OPOS.
>Anyways, the OPOS Healthcheck come back successfully, but I can't get the printer (TM-U200B) to repond using OPOS.

Hmm. I'm stuck, then.

Can anyone who's used OPOS more recently than I have chime in here, please?