Google has updated the Chrome browser (October/November 2025) (this also applies to Edge, which is built on the same browser) with a feature that triggers a small popup window when you visit a page that wants to communicate with the network/printer (such as Sample Registration in Access). If you choose Block in this popup, communication with the printer will not work. The correct choice is Allow.
If you have already denied this (chosen Block), the solution is:
If this did not solve the issue, continue to Troubleshooting Dymo labels