Lexmark T650n Service Manual page 178

4062
2
Check the system card assembly.
Was the system card assembly recently replaced?
3
Replace the current operator panel assembly with the
original operator panel assembly.
Does the error remain?
4 Replace the current system card assembly with the original
system card assembly.
Go to "System card assembly removal (T650, T652,
T654)" on page
5 If problem continues, replace the original operator panel
assembly with a new and not previously installed operator
panel assembly.
Does the error continue?
6 If the problem continues, replace the original panel
assembly with a new and not previously installed operator
panel door assembly.
"Operator panel door assembly removal (T650,
Go to
T652, T654)" on page
2-146
Service Manual
4-69.
4-37.
Go to step 4. Contact next level
of support.
Go to step 5. Problem solved.
Go to step 6. Problem solved.
Contact the next Problem solved.
level of support.
Contact the next Problem solved.
level of support.