Lexmark W850 - Supported Paper Types and Weights

2-40 Finisher Service Manual
4024-XXX
284.04 Sensor (lower media exit) off jam B.
12 Check the sensor (lower media exit) connection.
Is the above sensor connected properly?
Replace the
sensor (lower
media exit). Go to
“Sensor (lower
media exit)
removal” on
page 4-80.
Replace the
connection.
13 Perform a test print.
Does the error still occur?
Replace the
finisher controller
card assembly.
Go to “Finisher
controller card
assembly
removal” on
page 4-118.
Problem solved.
Step Check Yes No
1 Check the media path.
Open the finisher front door assembly of the finisher.
Check lower media exit roll assembly by turning it with
your fingers.
Is the lower media exit roll assembly installed
correctly?
Go to step 2. Clean or replace
the lower media
exit roll assembly,
and clean the
media path.
2 Is the lower media exit roll assembly free of damage? Go to step 3. Clean or replace
the lower media
exit roll assembly,
and clean the
media path.
3 Check the sensor (lower media exit) for correct
operation.
Perform the sensor (lower media exit) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Media Path1.
5. Select Lower media exit.
Open the finisher front door.
Move the lower media guide assembly to the right.
Push a sheet of media into the paper path toward the
sensor (lower media exit).
Does the display on the operator panel change every
time the actuator of the sensor (lower media exit) is
operated?
Go to step 5. Go to step 4.
Step Check Yes No