HP LaserJet Pro MFP M521dw
Wireless performance is dependent upon physical environment and distance from access point, and may be limited during active VPN connections.
Mobile device must be wireless-enabled. Printer must be HP ePrint-enabled. Feature may require drivers or apps, available for download at www.hpconnected.com.
HP Auto Wireless Connect may not be available for all system configurations. Wireless performance is dependent upon physical environment and distance from access point. For information on compatibility, visit www.hp.com/go/autowirelessconnect.
Printing speed measured using ISO/IEC 24734 and excludes first set of test docs. For more information, see www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity.
Requires an Internet connection to the printer. Services may require registration. App availability varies by country, language, and agreements. For details, see www.hpconnected.com.
HP LaserJet 255X Black Toner Cartridge not included; please purchase separately.
Requires an Internet connection to HP web-enabled printer and HP ePrint account registration. Mobile devices require Internet connection and email capability. May require wireless access point. Print times and connection speeds may vary.
HP wireless direct printing, built-in wireless connectivity, and HP Auto Wireless Connect are only available on the HP LaserJet Pro MFP M521dw.
HP Auto-On and Auto-Off Technology are subject to printer and settings. Instant-on Technology claim based on comparison with products that use traditional fusing. Instant-on Copy claim based on comparison with fluorescent tubes.
Program availability varies. Original HP cartridge return and recycling is currently available in more than 50 countries through the HP Planet Partners program. For more information, visit: www.hp.com/recycle.
HP Web Jetadmin is free and can be downloaded at www.hp.com/go/webjetadmin.
 When compared with fluorescent tubes.
 Requires an Internet connection to an HP ePrint-enabled printer. Printer requires ePrint account registration. App or software may be required. Wireless operations are compatible with 2.4 GHz operations only. Print times and connection speeds may vary. Wireless broadband use requires separately purchased service contract for mobile devices. Check with service provider for coverage and availability in your area. Learn more at http://www.hp.com/go/mobileprinting
 Mobile device needs to be connected directly to the wireless network of a wireless direct-capable printer prior to printing. Depending on mobile device, an app or driver may also be required. Wireless performance is dependent on physical environment and distance from the access point in the printer.
[eco01] Compared with products that use traditional fusing and cold cathode fluorescent lamp (CCFL) copying.
[eco02] HP Auto-On and Auto-Off Technology subject to printer and settings.