Easy to activate
To activate the add-on, simply visit the plugin page through the menu option: "Settings/Calculated Fields Form", tick the checkbox: "CFF-PrintFriendly", and press the "Activate/Deactivate Addons" button.
After activate the add-on will be shown a new section in the settings page of the plugin for entering the PrintFriendly API Key.
Enter the HTML code with the file's structure, the text to display as header, and the url to the CSS file that defines the file's design.
* PrintFriendly is a third party service not related to our company. PrintFriendly may charge for their service.