Chapter 10: Administrative Support; Adjusting Operator Panel Brightness And Contrast; Disabling Operator Panel Menus - Lexmark W840 User Manual

10
Administrative support

Adjusting operator panel brightness and contrast

The LCD operator panel contrast and brightness can be adjusted through the Utilities menu. For more information, see the
Menus and Messages Guide.
The LCD Brightness and LCD Contrast settings are adjusted separately. To change the LCD Brightness or LCD Contrast
settings:
1
Make sure your printer is on.
2
Press on the operator panel.
3
Press until
4
Press until
5
Press until
6
Press to increase the brightness or contrast or press
7
When the adjustment is complete, press
This saves this setting as the new user default and the printer returns to Ready.

Disabling operator panel menus

Since many people could be using the printer, an administrator may choose to lock the operator panel menus to keep
others from changing menu settings from the operator panel.
To disable the operator panel menus so that changes cannot be made to the printer default settings:
1
Turn the printer off.
Note: Disabling the operator panel menus does not prevent access to Print and Hold functionality.
2
Press and hold
3
Release both buttons when Performing Self Test appears on the display.
The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.
4
Press until
5
Press until
The following messages appear briefly: Submitting Selection and Disabling Menus. The operator panel
returns to Panel Menus.
6
Press until
Activating Menu Changes appears. The menus are disabled.
Resetting the Printer appears briefly followed by a clock. The operator panel then returns to Ready.
Settings appears, and then press
Utilities Menu appears, and then press
appears next to the LCD setting you want to change, and then press
and while turning the printer on.
Panel Menus appears, and then press
Disable appears, and then press
Exit Config Menus appears, and then press
Administrative support
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to decrease the brightness or contrast.
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