Lexmark X862de Service Manual page 165

Step
5 Check the sensor (tray 3 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 3.
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?
6 Check the sensor (tray 3 feed-out) for proper
connection.
Is the above sensor connected properly?
7 Check the connection between the 2TM/TTM controller
card assembly and the printer engine card assembly.
Are the above cards connected properly?
8 Check the tray 3 sensor (pre-feed) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 3.
5. Touch Feed-out.
Remove the media tray assembly.
Does the display on the operator panel change every
time a white piece of paper is placed over the sensing
area of the above sensor?
9 Check the tray 3 sensor (pre-feed) for proper
connection.
Is the above sensor connected properly?
10 Perform a print test.
Does the error still occur?
Check
7500-432, -632, and -832
Yes
Go to step 7. Go to step 6.
Replace the sensor Replace the
(tray 3 feed-out). connection.
Go to "2000-sheet
dual input (TTM)—
sensor (tray 3 feed-
out) removal" on
page 4-254.
Go to step 8. Replace the
connection.
Go to step 10. Go to step 9.
Replace the sensor Replace the
(pre-feed). connection.
Go to "2000-sheet
dual input (TTM)—
sensor (pre-feed)
removal" on
page 4-263.
Replace the 2TM/ Problem solved.
TTM controller card
assembly.
Go to "2000-sheet
dual input (TTM)—
2TM/TTM controller
card assembly
removal" on
page 4-281.
Go to step 11.
Diagnostic information
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