Lexmark 7462 series Service Manual page 136

Action
Step 4
Remove obstructions in the media path.
Does the problem remain?
Step 5
Check the sensor (input) for damage, and if necessary, replace the
sensor (input). See "Sensor (input) removal " on page
Does the problem remain?
Step 6
Check if the display on the operator panel changes every time the
sensing area of the above sensor is interrupted or blocked.
a
Enter the diagnostic mode.
b
Select Base sensor test.
c
Observe the line item "input."
If necessary, then replace the sensor (input).
Does the problem remain?
Step 7
Check the above sensor for proper connection, and if necessary,
replace the connection.
Does the problem remain?
Envelope feeder assembly error service check
Action
Step 1
Remove the envelope feeder.
Does the problem remain?
Step 2
Remove all media present in media path.
Does the problem remain?
Step 3
Properly reinstall media.
Does the problem remain?
Step 4
Remove obstructions in the media path.
Does the problem remain?
334.
Diagnostic information
136
Yes No
Go to step 5. Problem is solved.
Go to step 6. Problem is solved.
Go to step 7. Problem is solved.
Contact next level of Problem is solved.
support.
Yes No
Go to step 2. Problem is solved.
Go to step 3. Problem is solved.
Go to step 4. Problem is solved.
Go to step 5. Problem is solved.
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