Oki OKIPOS X400 Programming Manual page 116

Command Structure <ESC>B4bbccc (data)
<ESC>D4bbccc (data)
bb
ccc =
(data) =
Character Set
0-9 (numeric only)
Density Table
Value of "bb" Narrow Bar Width
Example
<ESC>H100<ESC>V100<ESC>BD4031001234567
Notes 1.
2.
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EAN-8
= Width of narrow element in dots (01~12)
Bar height in dots (001~999)
Bar code data (numeric); must be exactly 8 digits.
(mils)
02 10.0
03 15.0
04 20.0
D4 provides guide bars that extend longer than the reset of the bar code.
and the human readable text below the symbol.
The check digit is automatically calculated for EAN-8.
114
Magnification
Factor
75%
112%
150%