Epson AcuLaser C4000 Owner's Manual page 391

Font size
The following codes are inserted automatically and need not be
input by hand:
Left/Right quiet zone
Check digit
Start/Stop character
Print sample
EPSON Code39
EPSON Code39 Num
EPSON Code128
Code128 fonts support code sets A, B, and C. When the code
set of a line of characters is changed in the middle of the line,
a conversion code is automatically inserted.
When OCR-B is not used: 26 pt or more (up
to 96 pt in Windows XP, 2000 or NT).
Recommended sizes are 26 pt, 52 pt, 78 pt
and 104 pt.
When OCR-B is used: 36 pt or more (up to
96 pt in Windows XP, 2000 or NT).
Recommended sizes are 36 pt, 72 pt, 108
pt and 144 pt.
EPSON Code39 CD
EPSON Code39 CD Num
Working with Fonts
C
C
C
C
C
C
C
C
C
C
C
C
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