To preview fonts before printing, select one or more fonts(hold down CTRL or SHIFT taster) from the Font Samples and press File-Print Preview menu or right - click mouse button to open popup-menu and press "Print Preview" item.
You can change paper size, orientation,margins and removing pages that you don't want to print. Any changes will be instantly shown.
To start printing, press "Print" button in the right - bottom corner.
Related topic: Preview - Print settings