A family of Microsoft word processing software products for creating web, email, and print documents.
Word [or any program] simply calls for the service. It's up to the Print Subsystem to respond positively. The typical reason for lack of response is a need for updates to one or more of the following components of the system:
- macOS
- Office software
- Printer driver/firmware [visit the mfr's site for your model]
Once all is fully updated it still may be necessary to reset the print subsystem and/or remove & reinstall the printer as described toward the end of this Apple KB: Troubleshoot Printing