Lexmark X850e Service Manual page 100

7500-XXX
Step Check
3 Check the tray 3 switch (media size) for proper
installation.
Pull out tray 3, and visually check it.
Is the switch (media size) for tray 3 installed properly?
4 Check the switch (media size) for proper connection.
Is the above switch connected properly?
5 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?
6 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?
7 Check the media position.
Open the printer left door assembly, and visually check
it.
Does the media touch the sensor (registration)?
8 Check the roll.
Open the printer left door assembly, and visually check
it.
Is the media transport roll assembly for transport free of
excess wear and contamination?
9 Check the roll.
Open the printer left door assembly, and visually check
it.
Is the registration roll assembly for transport free of
excess wear and contamination?
2-32
Options Service Manual
Yes No
Go to step 5. Install the switch
(media size) for tray
3 properly.
Go to
sheet drawer
(2TM)–switch
(media size)
assembly removal"
on page
Replace the switch Replace the
(media size). connection.
Go to "2X 500-
sheet drawer
(2TM)–switch
(media size)
assembly removal"
on page 4-8.
Go to step 6. Replace the
connection.
Go to step 7. 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 8.
Go to step 9. Clean or replace the
media transport roll
assembly.
Go to step 10. Clean or replace the
registration roll
assembly.
"2X 500-
4-8.
"2X 500-
4-28,
4-32, and
4-34.