UCC-128
Command Structure
<ESC>BIbbcccd
(data)
bb
=
Width
of
narrow
element
in
dots
(01~12)
ccc
=
Bar
height
in
dots
(001~999)
d
=
Placement
of
human
readable
text.
0 None
1
Text at top of bar code
2
Text at bottom of bar code
(data) =
17 digits made up of the following:
1
st
digit = Container type
digits
2~8,
Shipper
identification
digits
9~17,
Container
sequential
number
Note:
The
Container
Sequential
number
is
not
automatically
sequenced by the printer.
Character Set
See Code 128 Character Table.
Density Table
See
Code
128.
Notes
1.
The Start, Function, Stop and Extension codes will be created by the
printer
and
added
automatically.
2.
The internal Modulo 10 check character will be automatically created
and added by the printer. The overall Code 128 symbol check character
will be automatically created by the printer and checked.
3.
The automatically created human readable text will be generated
according
to
the
following
rules:
The spacing between bar code and text is fixed at 10 dots (.0050 inches).
If the width of human readable text is wider than the bar code, it will start at
the same position as the bar code and extend past the right of the bar code.
If the width of human readable text is less than the bar code, it will be
centered on the bar code.
The automatically generated human readable text font is OCR-B.
If any part of the human readable text extends outside the printable area,
125