Restoring the factory default settings|
Do one of the following:
• If your printer is on a network, access the Embedded Web Server:
1 Type the printer IP address into the address field of your Web browser.
Note: If you do not know the IP address of the printer, print a network setup page and locate the IP address in the TCP/IP section.
2 From the Settings screen, click General Settings.
3 Under Factory Defaults, select Restore Now, and then click Submit.
• If your printer is connected to a computer by a USB or parallel cable, use the Local Printer Settings Utility for Windows or Printer Settings for Macintosh.
1 Open the utility.
2 Do one of the following:
– From the Local Printer Settings Utility menu bar, click Actions Restore Factory Defaults.
– From Printer Settings, click Factory Defaults.
Warning—Potential Damage: Restore Factory Defaults returns all printer settings to the factory default settings except Network/Port menu settings. All downloads stored in RAM are deleted. Downloads stored in flash memory or on a printer hard disk are not affected.
Or please download the user guide from this link and follow the instructions
Hope this will help you