Lexmark X646e User Manual

If you are having trouble reading your control panel display, the LCD brightness can be adjusted through the Settings 
menu.

Make sure the MFP is on.

Touch the 

 button on the home screen.

Touch 

.

Touch 

.

Touch the down arrow until 

 appears.

Touch the left arrow to decrease the brightness, or touch the right arrow to increase the brightness.

Brightness values can be adjusted from 5—100 (100 is the default value).

Touch 

.

Touch 

.

When you first enter the MFP menus from the control panel, you may notice an asterisk (*) to the left of a value in the 
menus. This asterisk indicates the 

. These settings are the original MFP settings. (Factory defaults 

may vary for different regions.)

When you select a new setting from the control panel, 

appears. When the Submitting Selection 

message disappears, an asterisk appears next to the setting to identify it as the current 

. These settings 

are active until new ones are stored, or the factory defaults are restored. To restore the original MFP factory default 
settings:

All downloaded resources (fonts, macros, and symbol sets) in MFP memory (RAM) will be deleted. 
(Resources residing in flash memory or on the hard disk remain unaffected.)

Make sure the MFP is on.

Touch the 

 button on the home screen.

Touch 

.

Touch 

.

Touch the down arrow until 

 appears.

Touch the left arrow or right arrow until 

 appears.

When you touch Restore Now, all menu settings return to the factory default values, except:

The control panel Display Language setting in the Setup menu.