Lexmark X850e Service Manual page 85

Step Check
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?
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)?
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)?
6 Check the sensor (tray 2 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 2.
5. Touch Feed-out.
Open the printer left lower door assembly, and visually
check it.
Does the operator panel display change every time a
piece of white paper is placed over the sensing area of
the above sensor?
7 Check the sensor (tray 2 feed-out) 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 operator panel display change every time the
actuator for the above sensor operates?
Yes No
Go to step 4. Clean or replace the
feed roll, separation
roll, and pick roll.
Go to
sheet drawer
(2TM)–feed roll
removal" on
page
"2X 500-sheet
drawer (2TM)–
separation roll
removal" on
page
"2X 500-sheet
drawer (2TM)–pick
roll removal" on
page
Remove the media. Go to step 5.
Remove the media. Go to step 6.
Go to step 8. Go to step 7.
Go to step 8. Replace the
connection.
Go to step 10. Go to step 9.
Diagnostic information
7500-XXX
"2X 500-
4-28,
4-32, and
4-34.
2-17