Sensor (Upper Media Exit) On Jam C - Lexmark X850e Service Manual

7500-XXX

287.03 Sensor (upper media exit) on jam C

Step Check
1 Check the media path.
1. Open the finisher front door assembly.
2. Remove the top cover and left upper cover.
3. Open the entrance pinch guide assembly upward.
4. Check the four media entrance pinch guide pinch
rolls of the entrance pinch guide assembly and the
media entrance roll assembly by turning them with
your fingers.
Are the media entrance pinch guide pinch rolls
installed properly and do they rotate smoothly?
2 Are the four media entrance pinch guide pinch rolls of
the entrance pinch guide assembly and media
entrance roll assembly free of damage?
3 Check the media path.
1. Open the upper pinch guide assembly to the right.
2. Check these items by turning them with your
fingers.
Are the four upper pinch guide pinch rolls of the upper
pinch guide assembly and the two upper media
transport roll assemblies installed properly, meaning do
they rotate smoothly?
4 Are the four upper pinch guide pinch rolls of the upper
pinch guide assembly and the two upper media
transport roll assemblies free of damage?
5 Check the sensor (upper media exit) for proper
operation.
Perform the sensor (upper media exit) test.
1. Enter the Diagnostics Menu.
2. Touch FINISHER TESTS.
3. Touch Sensor Test.
4. Touch Media Path 1.
5. Touch Upper media exit.
Open the finisher front door.
Move the lower media guide to the right.
Move the upper media guide to the right.
Push a sheet of media into the paper path towards the
sensor (upper media exit).
Does the operator panel display change every time the
actuator of the sensor (upper media exit) is operated?
6 Check the sensor (upper media exit) and THE main
sensor cable assembly connections.
Is the above sensor connected properly?
2-100
Options Service Manual
Yes No
Go to step 2. Clean or replace
the appropriate
roller, and clean
the media path.
Go to step 3. Clean or replace
the appropriate
roller and clean
the media path.
Go to step 4. Clean or replace
the appropriate
roller and clean
the media path.
Go to step 5. Clean or replace
the appropriate
roller and clean
the media path.
Go to step 7. Go to step 6.
Replace the Replace the
sensor (upper connection.
media exit).
"Sensor
Go to
(upper media
exit) removal"
on page 4-181.