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

Action Yes No
Step 3
Reset the machine.
Does the error continue?
Replace the duplex
motor. See “Duplex
motor removal” on
page 345.
Go to step 4.
Problem solved.
Step 4
Reset the machine.
Does the error continue?
Replace the controller
board. See “Controller
board removal” on
page 386.
Problem solved.
Sensor (duplex path) miscellaneous jam service check
Action Yes No
Step 1
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 3. Go to step 2.
Step 2
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 3
Perform a print test.
Does the problem remain?
Contact the next level
of technical support.
Problem solved.
7463
Diagnostic information
81