Sensor (Pre-Feed) On Jam (Tray 4 Media Feed) - Lexmark X850e Service Manual

7500-XXX
Step
7 Check the sensor (registration) for proper connection.
Is the above sensor connected properly?
8 Check the sensor (tray 4 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 4.
5. Touch Feed-out.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the display on the operator panel change every
time the actuator on the above sensor operates?
9 Check the sensor (tray 4 feed-out) for proper
connection.
Is the above sensor connected properly?
10 Check the connection between the 2TM/TTM controller
card assembly and the printer engine card assembly.
Are the above cards connected properly?
11 Perform a print test.
Does the error still occur?
12 Perform a print test.
Does the error still occur?

244.04 Sensor (pre-feed) on jam (tray 4 media feed)

Step
1 Check the media condition.
Is the media in the tray crumpled or damaged?
2-82
MFP Service Manual
Check
Check
Yes
Replace the sensor Replace the
(registration). connection.
Go to "Sensor
(registration)
removal" on
page 4-81.
Go to step 10. Go to step 9.
Replace the sensor Replace the
(tray 4 feed-out). connection.
"2000-sheet
Go to
dual input (TTM)–
sensor (tray 4 feed-
out) removal" on
page 4-241.
Go to step 11. Replace the
connection.
Replace the 2TM/ Problem solved.
TTM controller card
assembly.
Go to "2000-sheet
dual input (TTM)–
2TM/TTM controller
card assembly
removal" on
page 4-274.
Go to step 12.
Replace the printer Problem solved.
engine card
assembly.
Go to "Printer
engine card
assembly removal"
on page 4-117.
Yes
Replace the media. Go to step 2.
No
No