UPC shelf edge tickets from Epsom receipt printer?

I hope someone can help. We want to print barcoded shelf edge markers using the item print function (from an item record) and an Epson TM-T88III (series
3) receipt printer with OPOS drivers. We have found that using the windows driver for the item label print locks the receipt printer to the windows driver and will not release it without a reboot of the PC - we need the driver to release the printer so that a subsequent transaction can be performed by POS usint the OPOS driver. We have tried the windows driver for receipt printing but it runs tooo slooowly. The OPOS driver is not happy printing the item label and does not print the required barcode - any help without having to tell all my customers that they need two printers - there is a competitor system (here in the UK) that allows this to be done.
Thanks in advance
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