Lexmark T652 - Page 69

Action Yes No
Step 5
Remove obstructions in the pass‑thru areas of the tray.
Does the problem remain?
Go to step 6. Problem is solved.
Step 6
Make sure that the media originate from the MPF.
Does the problem remain?
Go to step 7. Problem is solved.
Step 7
Clean or replace the MPF pick roll assembly. See
“MPF pick roll
assembly removal” on page 301.
Does the problem remain?
Go to step 8. Problem is solved.
Step 8
Perform a MPF print test, and then check the MPF pick solenoid
for proper operation. If necessary, replace the MPF pick solenoid.
See
“MPF pick solenoid assembly removal” on page 275.
Does the problem remain?
Go to step 9. Problem is solved.
Step 9
Make sure that the media originate from the internal duplex.
Does the problem remain?
Go to step 10. Problem is solved.
Step 10
Remove obstruction in the internal duplex media path.
Does the problem remain?
Go to step 11. Problem is solved.
Step 11
Check the sensor (duplex input) for proper operation.
a Enter the diagnostic mode.
b Select Duplex tests.
c Select sensor test.
d 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?
Go to step 13. Go to step 12.
Step 12
Check the above sensor for proper connection, and if necessary,
replace the connection or sensor (duplex input). See
“Sensor
(duplex input) removal (T652, T654, T656)” on page 340.
Does the problem remain?
Go to step 13. Problem is solved.
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Diagnostic information
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