Even with a correct installation, issues arise. Here is your troubleshooting cheat sheet.
This is a pain point for Zonerich. Officially, most low-end Zonerich models are Windows-first. zonerich printer driver
On Windows 10/11, the driver rarely crashes. However, there is a known bug where the print spooler service hangs if you send a job with the wrong label size. Fixing this requires clearing the spooler folder manually—annoying during peak shipping hours. Even with a correct installation, issues arise