On the Desktop app
We don't have the option to print a doc just yet but you can export a doc in pdf via the three dots menu on the right of the app. Once exported, you'll be able to print it just like you do for any other pdf document.
Here's how to export a note 👇
On the Web app
You can print your doc directly through your browser menu "File > Print".
Or by pressing ctrl/cmd + P.