Lexmark MX81 series - Sensor (Duplex Path) Late Leaving Jam Service Check

Action Yes No
Step 4
Check the sensor (duplex path) for proper operation.
a Enter the diagnostic mode.
b Select duplex tests.
c Select sensor test.
d Observe the line item sensor.
Does the display on the control panel change every time the sensing area
of the above sensor is interrupted or blocked?
Go to step 6.Go to step 5.
Step 5
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the sensor
(duplex path). See
“Sensor (duplex path)
removal” on page
378.
Reseat the connection.
Step 6
Ensure the duplex motor cable is properly connected.
Is the above cable properly connected?
Go to step 7. Reseat the connection.
Step 7
Perform a print test.
Does the error continue?
Replace the duplex
motor. See “Duplex
motor removal” on
page 345.
Problem solved.
Step 8
Perform a print test.
Does the error continue?
Replace the controller
card. See “Controller
board removal” on
page 386.
Problem solved.
Sensor (duplex path) late leaving jam service check
Action Yes No
Step 1
Check the duplex path for media jams and obstructions.
Is the duplex path free from media jams and obstructions?
Go to step 2. Remove media jams
and obstructions.
Step 2
Check the duplex front flap for damage.
Is the duplex front flap free from damage?
Go to step 3. Replace the duplex
front flap. See “Duplex
front flap removal” on
page 368.
7463
Diagnostic information
79