Two-dimensional bar codes
33
Bar code descriptor for PDF417
Functional parameters for PDF417 (HP compatibility mode)
The parameter values sent when using this technique for printing PDF417 symbols follows the same
rules that exist for the corresponding parameters that are sent when using the Transfer Bar Code
Descriptor command to print PDF417 symbols.
In relation to the fields of the Lexmark bar code descriptor for PDF417, the following
correspondences exist when using this technique:
Typeface
Esc
(s#T Value Default 24850T
P parameter
Esc
(s#P
0Optional
Determines ECC level. Range is 0–8.
B parameter
1
Esc
(s#1, #2B
#1 0
2
Optional
Determines the number of rows for the symbol. Range is 3–90.
#2 0
2
Optional
Determines the number of columns for the symbol. Range is 1–30.
S parameter
1
Esc
(s#1, #2B
#1 2 Optional
Determines the X-value of the symbol aspect ratio.
#2 1 Optional
Determines the Y-value of the symbol aspect ratio.
#3
3
0 0 = Parameters #1 and #2 will equal the size needed for the
PDF417 symbol (default).
1 = Parameters #1 and #2 can be set to a mandatory size for the
PDF417 symbol.
#4 0 0 = The PDF417 symbol is not truncated (default).
1 = The PDF417 symbol is truncated on its right side.
1 The intended size of the symbol may be specified either by using the #b1, #b2 parameters to specify the
desired number of rows and columns, or by using the #s1, #s2 parameters to specify the desired aspect
ratio. The two techniques should not be used at the same time. If both types of parameters appear in a bar
code selection escape sequence, then the type appearing last in the sequence is used to select symbol
size.
2 Aspect ratio values are used if the #b parameter is not used to manually set rows and columns.
3 The default choice (0) sets the symbol to the necessary size to capture the encoding data. The optional
choice (1) uses the values in parameters #1 and #2 to set a mandatory symbol size (larger than necessary
for the encoding data), while holding a sparser amount of data.
ECC Level: Specified by #p parameter
Units Enumeration for X Dimension: Fixed at 2 (600 dpi units)
X Dimension (in X Dimension units): Fixed at 6
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