Via the Control Panel:
The Resets menu makes it possible to reset factory settings, disable and enable Powersave, and update the printer after new supplies are installed.
Configure device menu
The Configure device menu makes it possible to change the printer's default print settings, adjust the print quality, change the system's configuration and I/O options, and reset the printer's default settings
RESTORE FACTORY SETTINGS
:Makes it possible to clear the page buffer, remove all perishable personality data, reset the printing environment, and return all default settings to factory defaults.
Press Menu or
(Select) to enter the MENUS.
- Press (Down Arrow) to highlight Configure device menu .
Press (Select) to select Configure device menu
Press (down arrow) to System setup menu
Press (select) System setup menu
Press (select) Resets menu
Select RESTORE FACTORY SETTINGS.
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309