Lexmark T652 - Page 88

Action Yes No
Step 4
Check the sensor (fuser output) for damage. If necessary, replace
the fuser unit assembly. See
“Fuser unit assembly removal” on
page 331.
Does the problem remain?
Go to step 5. Problem is solved.
Step 5
a Enter the diagnostic mode.
b Select Base sensor test.
c Observe the line item “exit.”
Does the display on the operator panel change every time the
sensing area of the above sensor is interrupted or blocked?
Go to step 6 Go to step 6.
Step 6
Check the above sensor for proper connection, and replace if
necessary.
Does the problem remain?
Go to step 7. Problem is solved.
Step 7
Perform a print test.
Does the problem remain?
Go to step 8. Problem is solved.
Step 8
Check the sensor (narrow media) for damage. If necessary, replace
the fuser unit assembly. See
“Fuser unit assembly removal” on
page 331.
Does the problem remain?
Go to step 9. Problem is solved.
Step 9
a Enter the diagnostic mode.
b Select Base sensor test.
c Observe the line item “narrow media.”
Does the display on the operator panel change every time the
sensing area of the above sensor is interrupted or blocked?
Go to step 10. Go to step 10.
Step 10
Check the above sensor for proper connection, and replace if
necessary.
Does the problem remain?
Go to step 9. Problem is solved.
Step 11
Perform a print test.
Does the problem remain?
Contact next level of
support.
Problem is solved.
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Diagnostic information
88