Google is shutting down Google Cloud Print on January 1st 2021.
You have until the end of 2020 to migrate to SKULabs Print Client & Server.
Follow the instructions here to get started:
Didn't migrate in time?
Remember, in an emergency, you can always switch your printer to "Local" so you can print from your device. You can also quickly print out labels generated in bulk so you only have to confirm the print once.