When the site admin configures the User Profile Plus web part, s/he can select a check box to show the Print Preview Button in the web part. You can preview and print user profile information with a click of a button if this has been enabled to show.
Where does the button show up?
When this button has been configured to show, you will see it on the user profile page.
It appears at the bottom of the window pane so that you can click it and see a preview of the user’s profile information in printed form before you send it to the printer as shown below: