9 Administrative support
Adjusting operator panel brightness and contrast
If you are having trouble reading your operator panel display, the LCD contrast and brightness can be adjusted through the utilities menu.
The LCD Brightness and LCD Contrast settings are adjusted separately. To change the LCD Brightness or LCD Contrast settings:
1Make sure the printer is on.
2Press 
on the operator panel.
3Press 
until the 
appears next to Settings, and then press 
.
4Press 
until the 
appears next to Utilities Menu, and then press 
.
5Press 
until the 
appears next to the LCD setting you want to change, and then press 
.
6Press 
to increase the brightness or contrast, or press 
to decrease the brightness or contrast.
7When 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:
1Turn the printer off.
Note: Disabling the operator panel menus does not prevent access to Print and Hold functionality.
2Press and hold 
and 
while turning the printer on.
3Release the buttons when you see a clock.
CONFIG MENU appears on the first line of the display.
4Press 
until the 
appears next to Panel Menus, and then press 
.
5Press 
until the 
appears next to Disable, and then press 
.
The following messages appear briefly: Submitting selection and Disabling Menus.
The operator panel returns to Panel Menus.
6Press 
until the 
appears next to Exit Config Menus, and then press 
.
Activating Menu Changes appears. The menus are disabled, and the printer returns to Ready.
Administrative support
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