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

7500-XXX
Step Check
9 Perform a print test.
Does the error still occur?

287.02 Sensor (upper media exit) on jam B

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 the upper pinch guide assembly by rotating
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?
2-98
Options Service Manual
Yes No
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-195.
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.