Lexmark T650n Service Manual page 181

Step
7 Check the printhead assembly for proper connection.
Is the above component properly connected?
8
Perform a print test.
Does the problem remain?
Check Yes
Replace the Replace the
printhead connections.
assembly.
Go to
"Printhead
assembly
removal
(T650)" on
page 4-47 or
"Printhead
assembly
removal (T652,
T654)" on
page 4-48.
Contact next Problem solved.
highest level of
tech support.
Diagnostic information
4062
No
2-149