Epson EPL-N7000 - Manual (Page 456)

Working with Fonts 445
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3. Select the EPSON BarCode Font you want to use, then set the
font size and click OK.
Note:
In Windows XP, 2000, and NT 4.0, you cannot use font sizes larger
than 96 points when printing bar codes.
4. The characters you selected appear as bar code characters
similar to those shown below.