Epson EPL-N2750 Reference Manual page 297

3. Select the EPSON BarCode Font you want to use, then set the
font size and click OK.
Note:
In Windows NT 4.0/3.5x, you cannot use font sizes larger than 96
points when printing barcodes.
4. The characters you selected appear as barcodes similar to
those shown below.
D-14
Working with Fonts