Lexmark W840 - Page 63

Diagnostic information 2-7
4024-XXX
2 Check the media size setup.
Does the size of media in use match the size set for tray
3?
Go to step 3. Replace the media
or change the media
size setup.
3 Check the tray 3 rolls.
Pull out tray 3, 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 2TM/TTM left door assembly, and visually
check it.
Does the media touch the sensor (pre-feed) or the
sensor (tray 3 feed-out) of the tray 3 media feed unit
assembly?
Remove the media. Go to step 5.
5 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 check it.
Does the display on the operator panel change every
time the actuator on the above sensor operates?
Go to step 7. Go to step 6.
6 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 “2X 500-
sheet drawer
(2TM)—sensor
(tray 3 feed-out)
removal” on
page 4-37.
Replace the
connection.
7 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 8. Replace the
connection.
Step Check Yes No