Lexmark T652 - Page 65

Sensor (input) service check
Action Yes No
Step 1
Fan the media, ensure the media is properly installed and check
the paperpath for obstructions.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Check the sensor (input) for damage, and if necessary, replace the
sensor (input). See
“Sensor (input) removal ” on page 296.
Does the problem remain?
Go to step 3. Problem is solved.
Step 3
a Enter the diagnostic mode.
b Select Base sensor test.
c Observe the line item “input.”
Does the display on the operator panel change every time the
sensing area of the above sensor is interrupted or blocked?
Problem is solved. Go to step 4.
Step 4
Check the above sensor for proper connection, and if necessary,
replace the connection or the sensor. See
“Sensor (input)
removal ” on page 296.
Does the problem remain?
Contact next level of
support.
Problem is solved.
Sensor (input) lingering jam service check
Action Yes No
Step 1
Fan the media, ensure the media is properly installed, and check
the paper path for obstructions.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Replace the media, or change the media size setup in all the trays.
Does the problem remain?
Go to step 3. Problem is solved.
Step 3
Remove obstructions in the fuser unit assembly.
Does the problem remain?
Go to step 4. Problem is solved.
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Diagnostic information
65