Lexmark X850e Service Manual page 83

Step Check
2 Check the media size setup.
Does the media size in use match the size set for
tray 4?
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 2TM/TTM left door assembly, and visually
check it.
Does the media touch the sensor (tray 3 feed-out) or the
sensor (tray 4 feed-out)?
5 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?
6 Check the sensor (tray 4 feed-out) for proper
connection.
Is the above sensor connected properly?
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?
Yes No
Go to step 3. Replace the media
or change the media
size setup.
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.
Go to step 7. Go to step 6.
Replace the sensor Replace the
(tray 4 feed-out). connection.
Go to "2X 500-
sheet drawer
(2TM)–sensor
(tray 4 feed-out)
removal" on
page 4-38.
Go to step 10. Replace the
connection.
Diagnostic information
7500-XXX
"2X 500-
4-28,
4-32, and
4-34.
2-15