Oki B6250n Reference Manual page 161

I
NTERPRETATION OF
When the barcode properties are being determined, the standard
PCL font selection parameters take on new meanings that are
different from their traditional ones. Detailed descriptions of these
parameter follows.
<ESC>( #t#b#s#p#h#V
"t" parameter
"p" parameter
"h" parameter
"y" parameter
"b" parameter
"s" parameter
B S
ARCODE YMBOLOGY
T parameter Esc(s#T (Typeface): Controls what bar code system
to use (see table below)
F S
ONT ELECTION
Selects the barcode symbology to use when a reserved
typeface ID is selected.
Defines if/how text is printed with bars
Defines what font to use for that text
Bar code vertical size, in points (like fonts). 1 point size
= 1/72 inch.
Black bars widths (has up to 4 values separated by
commas or semicolons)
White bars widths (has up to 4 values separated by
commas or semicolons)
B6250/B6500 User's Guide> 161
P
ARAMETERS