Service Checks - 2X 500-Sheet Drawer (2Tm); Sensor (Pre-Feed) On Jam (Tray 3 Media Feed) - Lexmark W840 Service Manual

Service checks - 2X 500-sheet drawer (2TM)

243.00 Sensor (pre-feed) on jam (tray 3 media feed)

Step
1 Check the media condition.
Is the media in the tray crumpled or damaged?
2 Check the media size setup.
Does the media size in use match the size set for tray
3?
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?
4 Check the media position.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the media touch the sensor (pre-feed) of the tray 3
media feed unit assembly?
5 Check the sensor (pre-feed) for tray 3 for proper
operation.
1. Enter Diagnostics mode.
2. Select INPUT TRAY TESTS.
3. Select Sensor Tests.
4. Select Tray 3.
5. Select Pre-feed.
Remove the media tray assembly.
Does the display on the operator panel change every
time a white piece of paper is placed over the sensing
area of the above sensor?
6 Check the sensor (pre-feed) connection on tray 3.
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?
Check Yes
Replace the media. Go to step 2.
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.
Ensure the feed unit Go to step 6.
front guide is
properly installed.
Go to step 7.
Replace the sensor Replace the
(pre-feed). connection.
Go to "2X 500-
sheet drawer
(2TM)—sensor
(pre-feed) removal"
on page 4-25.
Go to step 8. Replace the
connection.
Diagnostic information
4024-XXX
No
"2X 500-
4-28,
4-32, and
4-34.
2-5