This article is for Windows, for Mac please check this article.
Poor printing quality
The problem
Barcode Man put all elements into one complex image. Because the app advantage is highly customized, it needs a higher dpi to make it happen.
It is very common that the Zebra printer has poor printing quality. Most Zebra printers only support 203 dpi resolution. You may have a situation below.
Solutions
Try installing Seagull printer driver. ( you may want to check this guy on youtube as well)
After installing the Seagull printer driver, turn off the option Dithering.
Follow the steps below.
Printer preferences on Windows
Go finders, find Printers & scanners.
Select the printer that you want to adjust and click Manage.
Click tab Options. Higher Darkness with lower Print Speed will help the printing quality.
Final Result
The article introduces how to adjust the printing quality of Zebra printers. Not every Zebra will show the same preferences. If you can't get the printer preference, please try reinstalling the proper driver again.