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A/C-7P RO, A/C-7S RO
The bar-code command string
must contain all of these parameters,
even if the parameter is irrelevant
for the type of bar code being
printed. For example, POSTNET
comes in only one size, so, any
height or width specifications are
ignored. But the parameters for
height and width must be included
anyway.
¬B: Identifies the strings as a bar
code command string. _B must be
placed at the beginning and at the
end of the string.
<type>: Specifies the bar code type
according to the table shown on the
previous page.
<height>: Specifies the height of the
bar code. When using a PCL laser
printer driver, height is expressed in
multiples of 2.5 mm (approximately
1/10 inch). When operating in
Epson or IBM Proprinter mode,
height is expressed in multiples of
3.175 mm (1/8 inch). The height of
the bar code can range from 1 (laser
= 2.5 mm, dot-matrix = 3.175 mm) to
9 (laser = 22.5 mm, dot-matrix =
28.575 mm) inclusive.
Height values are ignored if a
POSTNET bar code is being printed,
since POSTNET uses one standard
height. However, a valid value (1-9)
must be entered for the height
parameter to ensure the bar-code
command string is complete.
<width>: Specifies the width of a bar
code module. A module is defined as
a specific combination of bars and
spaces used to represent a human-
readable character.
By changing the width parameter,
you can determine the width of the
module and the thickness of the bars
and spaces.
Width parameters can range from
1 to 9 when printing to a PCL
printer. When printing to an Epson
or Proprinter mode dot-matrix
printer, the width parameters can
range from 1 to 3.
To determine the total length of
the bar code, simply multiply the
module length (found in the table
on the following page) by the
number of bar-code characters.
NOTE
Be aware that the table gives
rounded values only.
Example: Using Code 3 of 9, you
want to bar code the word
“PRINTERS.” Assume the interface
also generates a check digit and the
start/stop characters. Setting the
width parameter to 2 will yield a total
bar code length of approximately 4
cm or about 1.5 inches.
Number of characters: 11 (8 letters
(PRINTERS) + 2 start/stop
characters + 1 check digit)