A family of Microsoft word processing software products for creating web, email, and print documents.
Sometimes the Office apps may loose the connection to the printer.
The best option is to completely uninstall your printer and restart your PC, then go to the support page for your printer on the manufacturers website to download and reinstall the version of printer drivers, firmware and associated software they provide for your printer model.
If you have any difficulty locating that support page, what is the make and exact model number of your printer.