Lexmark W850 - Sensor (Media Eject Clamp HP) off Failure

2-78 Finisher Service Manual
4024-XXX
986.01 Sensor (media eject clamp HP) off failure
3 Check the sensor (media eject clamp HP) connection.
Is the above sensor connected properly?
Replace the
sensor (media
eject clamp HP).
Go to “Sensor
(media eject
clamp HP)
removal” on
page 4-67.
Replace the
connection.
4 Check the media eject clamp motor by opening the
finisher front door assembly and then closing it.
Does the eject clamp motor rotate normally?
Go to step 6. Go to step 5.
5 Is the media eject clamp motor connected properly? Replace the
media eject
clamp motor. Go
to “Media eject
clamp motor
assembly
removal” on
page 4-66.
Replace the
connection.
6 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 eject clamp by opening the finisher
front door assembly and then closing it.
Does the eject clamp mechanism move smoothly?
Go to step 2. Remove
obstacles.
2 Check the sensor (media eject clamp HP) for correct
operation.
Perform the sensor (media eject clamp HP) test.
Remove the rear upper cover. Go to “Rear upper
cover removal” on page 4-24.
1. Enter the Diagnostic mode.
2. Select FINISHER TESTS.
3. Select Sensor Test.
4. Select Media Path 2.
5. Select Eject clamp HP.
Rotate the eject gears manually by hand.
Does the display on the operator panel change every
time the sensing area of the sensor (media eject
clamp HP) is blocked?
Go to step 4. Go to step 3.
Step Check Yes No