What mobile printing options does the HP LaserJet Pro MFP M428/M429 support?
The printer supports AirPrint and Wi-Fi Direct for mobile printing. You can also use the HP Smart app to set up, print, and more by installing it from 123.hp.com. For more mobile printing information, visit www.hp.com/go/LaserJetMobilePrinting. (Page 4)
From the official HP Laserjet Pro Mfp M428 M429 manual, page 4
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