If you are using ZPL Label print and having issues with printing the labels, please follow the instructions below.
1. Open the Chrome browser and copy/paste the below link on the address bar and hit Enter:
2. You will see as in the screenshot below, click Advanced.
3. Once you clicked Advanced then you will get the screen as shown below, click on Continue to localhost and then try again to do a Label test print and it should work.
4. If you still encounter an issue, please close and reopen your chrome web browser and try again to do a test print and it should work without any issues.