Epson AcuLaser C4000 Owner's Manual page 388

Print sample
EPSON EAN-13
EPSON UPC-A
UPC-A is the UPC-A standard bar code specified by the
American Universal Product Code (UPC Symbol
Specification Manual).
Only regular UPC codes are supported. Supplementary codes
are not supported.
Character type
Number of characters
Font size
The following codes are inserted automatically and need not be
input by hand:
Left/Right margin
Left/Right guard bar
Center bar
Check digit
OCR-B
378
Working with Fonts
Numbers (0 to 9)
Up to 11 characters
60 pt to 150 pt (up to 96 pt in Windows XP,
2000 or NT). Recommended sizes are 60 pt,
75 pt (standard), 112.5 pt and 150 pt.