Wi-Fi is a registered trademark of Wi-Fi Alliance®. Wireless operations are compatible with 2.4 GHz and 5.0 GHz operations only.Fax capabilities are for sending a fax only, and may require additional purchase. List of supported operating systems available in app stores. HP account required for full functionality. See details at Internet access required and must be purchased separately. Instant Ink not available in all countries. Instant Ink subscription may be required. Certain features/software are available in English language only, and differ between desktop and mobile applications. For details on local printing requirements see.