Specifications

105
ZPL Commands
^BZ
9/15/06 ZPL II Programming Guide 45541L-004 Rev. A
^BZ
POSTNET Bar Code
Description The POSTNET bar code is used to automate the handling of mail. POSTNET
uses a series of five bars, two tall and three short, to represent the digits 0 to 9.
^BZ supports a print ratio of 2.0:1 to 3.0:1.
Field data (
^FD) is limited to the width (or length, if rotated) of the label.
Format ^BZo,h,f,g
This table identifies the parameters for this format:
Important • If additional information about the POSTNET bar code is required, go to
www.aimglobal.org, or contact the United States Postal Service and ask for Publication 25 —
Designing Letter Mail, which includes a full specification for POSTNET. You can also
download Publication 25 from:
http://pe.usps.gov/cpim/ftp/pubs/pub25/pub25.pdf
Parameters Details
o = orientation Accepted Values:
N = normal
R = rotated 90 degrees (clockwise)
I = inverted 180 degrees
B = read from bottom up, 270 degrees
Default Value: current
^FW value
h = bar code height
(in dots)
Accepted Values: 1 to 32000
Default Value: value set by ^BY
f
= print
interpretation
line
Accepted Values:
N = no
Y = yes
Default Value: N
g = print
interpretation
line above code
Accepted Values:
N = no
Y = yes
Default Value: N