Lexmark 910 Guida Utente

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If the suggested corrective action does not fix the problem, call your service representative.
Problem
Action
Operator panel displays only 
diamonds or is blank.
• Turn the printer off, wait about 10 seconds, and turn the printer on.
Performing Self Test
 appears on the operator panel. When the test is 
completed, 
Ready
 is displayed. If these messages do not appear, turn the 
printer off and call the Lexmark Customer Support Center.
Menu settings changed from 
the operator panel have no 
effect.
Settings in the software application, the printer driver, or the printer utilities are 
overriding the settings made from the operator panel.
• Change the menu settings from the printer driver, the printer utilities, or the 
software application instead of the operator panel.
• Disable the settings in the printer driver, the printer utilities, or the software 
application so you can change settings from the operator panel.