Lexmark C772 User Guide

All resources on the hard disk will be irretrievably deleted. (Resources residing in flash memory or in 
RAM remain unaffected.)

Note: This setting is only available on MFP models with an integrated internal hard disk drive.

Turn the MFP off. Wait 10 seconds.

Press and hold the 

2 and 6 buttons on the numeric keypad while turning the MFP on.

Release the buttons when the touch screen blinks and is blank momentarily. Wait.

The Config Menu appears.

Touch the 

down arrow to scroll to Wipe Disk.

Touch the 

right arrow to enter the Wipe Disk menu.

Touch the 

right arrow next to Wipe Disk now to wipe the hard disk.

appears. 

Touch 

Yes to continue the process.

The Wiping Disk progress screen appears.

Do not power off the MFP until the process completes.

When hard disk wiping is finished, touch 

Back to return to the Config Menu.

Touch 

Exit Config Menu to exit.

The Restricted Server List lets a system support person restrict which hosts are allowed to communicate with the MFP over 
the network, which prevents other hosts from managing and printing to the MFP.

Note: The Restricted Server List only restricts TCP traffic; it does not affect UDP traffic. The Restricted 

Server List supports up to ten host addresses or ten network addresses.

To configure the Restricted Server List from the EWS of the MFP:

Open a Web browser. 

In the address line, enter the IP address of the MFP requiring configuration using the format: http://ip_address/.

Click 

Configuration.

Under Other Settings, click

 Network/Ports.

Click

 TCP/IP.

Enter the list of addresses in the 

Restricted Server List field for network communications permission separated 

by commas in the following format: 111.222.333.444. To indicate an entire subnet, provide the subnet mask bits in 
the format: 111.222.333.0/24.

Click 

Submit.