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First, create your label in BAR-ONE’s Design Program, and then click on the icon to 'Print batch of labels. Putty) avoiding the Generic Windows print driver seems also to prevent the problem. Follow these instructions in order to output ZPL to a file. If inserting the CRLF breaks is not practical, we found using other methods to send the commands direct to the printer (i.e. SolutionĪs a practice, it appears the safest route to sending ZPL code direct to a Zebra printer is to include CRLF breaks at frequent intervals between commands. We are not sure exactly what causes this only that the problem is reproduceable. It seems, after some cursory testing, that any text editor printing ZPL direct to a Zebra printer should include CRLF breaks between ZPL commands otherwise extra spaces appear randomly in the label text.

ZPL code WITHOUT CRLF to break up command strings (see image above).

Printing using standard text editors (Notepad, Notepad++, Word).

After some research, it was determined that it appears the Generic Windows print driver will cause these extra spaces to be inserted when the ZPL code is sent WITHOUT CRLF breaks.

When testing sending ZPL print commands direct to a Zebra printer using Generic Windows print driver, it we noticed that sometimes extra spaces would appear in the sample label.