Lexmark W840 - Sensor (Duplex Wait) Static Jam

Diagnostic information 2-85
4024-XXX
230.01 Sensor (duplex wait) static jam
9 Check the sensor (duplex wait) for proper operation.
1. Enter Diagnostics mode.
2. Select DUPLEX TESTS.
3. Select Sensor Tests.
4. Select Duplex wait.
Open the duplex left door assembly.
Does the display on the operator panel change every
time the sensing area of the above sensor is blocked by
the duplex wait actuator?
Go to step 11. Go to step 10.
10 Check the sensor (duplex wait) for proper connection.
Is the above sensor connected properly?
Replace the sensor
(duplex wait).
Go to “Duplex
sensor (duplex
wait) removal” on
page 4-184.
Replace the
connection.
11 Perform a 2 sided print test.
Does the error still occur?
Replace the duplex
controller card
assembly.
Go to “Duplex
controller card
assembly removal”
on page 4-181.
Go to step 12.
Problem solved.
12 Perform a 2 sided print test.
Does the error still occur?
Replace the printer
engine card
assembly.
Refer to the Printer
Service Manual.
Problem solved.
Step Check Yes No
1 Check the paper position.
Open the duplex left door assembly, and visually check
it.
Does the paper touch the duplex wait actuator?
Remove the paper. Go to step 2.
2 Check the sensor (duplex wait) for proper operation.
1. Enter Diagnostics mode.
2. Select DUPLEX TESTS.
3. Select Sensor Tests.
4. Select Duplex wait.
Open the duplex left door assembly.
Does the display on the operator panel change every
time the sensing area of the above sensor is blocked by
the duplex wait actuator?
Go to step 4. Go to step 3.
Step Check Yes No