Sensor (Buffer Path) On Jam A - Lexmark X850e Service Manual

7500-XXX
Step Check
2 Check the sensor (finisher media entrance)
connection.
Is the above sensor connected properly?
3 Check the drive motor (entrance/paddle) for proper
operation.
Perform the drive motor (entrance/paddle) test.
Remove the rear upper cover. Go to
cover removal" on page
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Finisher Motor Tests.
4. Touch Motor (entrance/paddle).
Does the motor (entrance/paddle) operate properly?
4 Check the drive motor (entrance/paddle) connection.
Are the connections of the main drive cable assembly
properly connected?
5 Perform a print test.
Does the error still occur?

283.00 Sensor (buffer path) on jam A

Step Check
1 Check the media path.
1. Open the finisher front door assembly.
2. Open the entrance pinch guide assembly upward.
3. Check the media entrance roll assembly and the
media entrance pinch guide pinch roll attached on
the media entrance pinch guide assembly by
turning them with your fingers.
Are the media entrance roll assembly and the media
entrance pinch guide pinch rolls operating properly?
2-70
Options Service Manual
"Rear upper
4-101.
Yes No
Replace the Replace the
sensor (finisher connector.
media entrance).
Go to "Sensor
(finisher media
entrance)
removal" on
page 4-175.
Go to step 5. Go to step 4.
Replace the drive Replace the
motor (entrance/ connection.
paddle).
"Drive
Go to
motor
(entrance/
paddle) and belt
(entrance/
paddle)
removal" on
page 4-177.
Replace the Problem solved.
finisher controller
card assembly.
"Finisher
Go to
controller card
assembly
removal" on
page 4-195.
Yes No
Go to step 2. Clean or replace
the appropriate
rolls and clean
the media path.