Operator Panel (Display Is Dim And Unchanging) Service Check - Lexmark CX310n Service Manual

Operator panel (display is dim and unchanging) service check

Replace one of the following components, and perform a POR before replacing a second component. Never replace
both of the components without performing a POR after installing each one, or the printer will be rendered inoperable.
For CX310 models:
•
Controller board
• Operator panel with UICC card
For CX410 and CX510 models:
• Controller board
•
UICC card
Warning—Potential Damage: Never install and remove components listed above as a method of troubleshooting
components. Once a component has been installed in a printer, and the printer is powered on, it cannot be used in
another printer. It must be returned to the manufacturer.
For CX310 and CX410 models:
Diagnostic information
121
7527