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

Step Check
7 Check the drive motor (buffer/transport) for proper
operation.
Perform the drive motor (buffer/transport) test.
Remove the finisher rear upper cover. Go to
upper cover removal" on page
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Finisher Motor Tests.
4. Touch Motor (buffer/transport).
Does the drive motor (buffer/transport) operate
properly?
8 Check the drive motor (buffer/transport) connection.
Is the above motor properly connected?
9 Perform a print test.
Does the error still occur?

287.04 Sensor (upper media exit) off jam B.

Step Check
1 Check the media path.
1. Open the upper pinch guide assembly to the right.
2. Check the four upper pinch guide pinch rolls on the
upper pinch guide assembly and the two upper
media transport roll assemblies by turning them
with your fingers.
Are the upper pinch guide pinch roll and the upper
media transport roll assemblies installed properly and
do they rotate smoothly?
2 Are the four upper pinch guide pinch rolls on the upper
pinch guide assembly and the two upper media
transport roll assemblies free of damage?
Yes
Go to step 9.
"Rear
4-101.
Replace the drive
motor (buffer/
transport).
Go to
motor (buffer/
transport) and
belt (buffer/
transport)
removal" on
page
Replace the
finisher controller
card assembly.
Go to
controller card
assembly
removal" on
page
Yes
Go to step 2.
Go to step 3.
7500-XXX
No
Go to step 8.
Replace the
connection.
"Drive
4-192.
Problem solved.
"Finisher
4-195.
No
Clean or replace
the appropriate
roller and clean
the media path.
Clean or replace
the appropriate
roller and clean
the media path.
Diagnostic information
2-101