The java code works fine, we have similar code today printing to the zebra printers.
Recently I have been exploring the Zebra API as well. I was able to easily install the jars into Ignition and do some printing with their native API. Its actually quite good.
I’ll be switching over our current code to use their library in the future. If your using a newer zebra printer with LinkOS, the API code is even simpler and gives you a ton of options including full bi-directional status info.
I’d love to actually build a module around their API where the printers could be added as devices with tags for status and scripting functions for printing. But, with about 110% of my time consumed, that realistically won’t happen, but if some other module devs want to collaborate, let me know.