I've spent too much time researching this and I cannot seem to find the
solution. Has anyone successfully printed a GS1-128 bar code in a printer
file? If so can I have some examples. This is my first run in with bar
codes. Anyway, this is the type of bar code that USPS is using for Parcel
packages also know as IMpb (Intelligent Mail parcel/package bar code).
My customer want's to call the USPS return merchandise web service to
retrieve a tracking number and then produce a barcode on the packing slip
instead of using the PDF image that is returned. I do know that the bar
code returned in the image has suppressed digits. i.e. starts with 420,
then the zip code of where to ship too and then the tracking number. I
thought I would try concatenating them together and print a CODE128 bar
code. But it doesn't look the same.
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