Operator Panel Board Removal - Lexmark T640 Service Manual

Operator panel board removal

Warning: When replacing any one of the following components:
•
Operator panel assembly (or upper front cover)
•
System board assembly
•
Interconnect card assembly
Only replace one component at a time. Replace the required component and perform a POR before replacing a
second component listed above. If this procedure is not followed, the printer will be rendered inoperable. Never
replace two or more of the components listed above without a POR after installing each one or the printer will be
rendered inoperable.
Warning: Never install and remove components listed above as a method of troubleshooting components.
Once a component has been installed in a printer, it can not be used in another printer. It must be
returned to the manufacturer.
1.
Remove the upper front cover. See
2.
Remove the seven screws (A), and remove the operator panel board.
Warning: When the operator panel is removed, some of the parts underneath are free to fall away from the
upper front cover.
"Upper front cover removal" on page
4061-xx0
4-12.
4-67
Repair information