HP Envy Photo 7855 Factory Reset
Tap the Menu or Setup button on the operation panel of the 7855 printer. Scroll using the arrow buttons and select the Configure Device option. Touch the Select option utilizing the Arrow buttons. Browse and select the Restore HP Envy 7855 Factory Settings option. Now touch the Select button on the operation panel of the HP Envy 7855 printer. Wait until your printer configures the default settings. Power off the printer wait for few minutes and turn it on. Thus the printer reset process is completed.