Yes. That has been my experience with OPOS and printer driver (that is the windows driver for your POS printer). Both can't coexist on your machines.

We are not talking about drivers for the Epson Stylus series printers. These are Ok.

Hope this help and is not confusing.

Good luck.



>Hi,
>
>Checking my fireware, is it true that I either use the OPOS or
>printer driver, not both to work ?
>
>
>>If you're using Epson TMT 88II more higher, check your firmware version. OPOS will not engage for earlier version. I think it has to be higher then version 3.14.
>>
>>Whatever devise you're using, check ythe firmware version. It's probably what's giving you trouble.
>>
>>
>>
>>>Hi,
>>>
>>>just like to check anyone using the OPOS driver
>>>for POS. I just can't seem to get it working.
>>>Hope anyone having work with it can help me
>>>out. Thank