Lexmark W840 - Page 73

Diagnostic information 2-17
4024-XXX
3 Check the tray 4 rolls.
Pull out tray 4, and check it.
Are the feed roll, separation roll, and pick roll for
transport free of excess wear and contamination?
Go to step 4. Clean or replace the
feed roll, separation
roll, and pick roll.
Go to “2X 500-
sheet drawer
(2TM)—feed roll
removal” on
page 4-28,
“2X 500-sheet
drawer (2TM)—
separation roll
removal” on
page 4-32, and
“2X 500-sheet
drawer (2TM)—pick
roll removal” on
page 4-34.
4 Check the media position.
Open the printer left lower door assembly, and visually
check it.
Does the media touch the sensor (tray 2 feed-out)?
Remove the media. Go to step 5.
5 Check the media position.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the media touch the sensor (tray 4 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 piece of white 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?
Go to step 8. Replace the
connection.
8 Check the sensor (tray 4 feed-out) for proper operation.
1. Enter Diagnostics mode.
2. Select INPUT TRAY TESTS.
3. Select Sensor Tests.
4. Select Tray 4.
5. Select Pre-feed.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the display on the operator panel change every
time the actuator for the above sensor operates?
Go to step 10. Go to step 9.
Step Check Yes No