Operator Panel Removal - Lexmark C540n Service Manual

5025-2xx, 4xx

Operator panel removal

See
"Operator panel and display assembly" on page 7-3
Replace one of the following components, and perform a POR before replacing a second
Warning:
component. Never replace both of the components without performing a POR after installing each
one, or the printer may be rendered inoperable:
• Operator panel assembly
Controller board
•
Never install and remove components listed above as a method of troubleshooting components.
Warning:
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.
1. Remove the operator panel bezel and name plate. See
on page 4-8.
If you have a model with the USB port, remove the two screws (A) to detach the USB connector.
2.
3. Open the front cover.
Remove the three screws (B) attaching the operator panel to the front cover assembly.
4.
Service Manual
4-10
for the part number.
"Operator panel bezel and name plate removal"
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