HP Envy Photo 7864 ePrint Setup
Power on your HP Envy 7864 printer. Load plain paper in the input tray. Tap the HP ePrint icon on the control panel of the printer. Touch Setup. Carry out the instructions on the display and enable the Web Services feature. Tap the Print or Print Info option. The printer’s mail address displays on the control panel. Compose a mail by using your mail account. Attach the document you need to print. Send the mail to the mail address of your 123.hp.com/envy7864 printer for printing.