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Lexmark W840 - Page 98

Lexmark W840
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2-42 Options Service Manual
4024-XXX
5 Check the media position.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the media touch the sensor (tray 3 feed-out)?
Remove the media. Go to step 6.
6 Check the sensor (tray 2 feed-out) for proper operation.
1. Enter Diagnostics mode.
2. Select INPUT TRAY TESTS.
3. Select Sensor Tests.
4. Select Tray 2.
5. Select Feed-out.
Open the printer left lower door assembly, and visually
check it.
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?
Go to step 8. Go to step 7.
7 Check the sensor (tray 2 feed-out) for proper
connection.
Is the above sensor connected properly?
Replace the sensor
(tray 2 feed-out).
Refer to the Printer
Service Manual.
Replace the
connection.
8 Check the sensor (tray 3 feed-out) for proper operation.
1. Enter Diagnostics mode.
2. Select INPUT TRAY TESTS.
3. Select Sensor Tests.
4. Select Tray 3.
5. Select 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?
Go to step 10. Go to step 9.
9 Check the sensor (tray 3 feed-out) for proper
connection.
Is the above sensor connected properly?
Replace the sensor
(tray 3 feed-out).
Go to “2000-sheet
dual input (TTM)—
sensor (tray 3 feed-
out) removal” on
page 4-89.
Replace the
connection.
10 Check the 2TM/TTM controller card assembly and the
printer engine card assembly for proper connection.
Are connectors P541 and P413 on the above cards
connected properly?
Go to step 11. Replace the
connection.
11 Perform a print test.
Does the error still occur?
Replace the 2TM/
TTM controller card
assembly.
Go to “2000-sheet
dual input (TTM)—
2TM/TTM controller
card assembly
removal” on
page 4-116.
Go to step 11.
Problem solved.
Step Check Yes No

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