Tray 4 Lift Up / No Tray Failure - Lexmark W840 Service Manual

4024-XXX

944.00 Tray 4 lift up / no tray failure

Step
1 Check the media.
Pull out tray 4, and visually check it.
Is any media loaded in tray 4?
2 Check the tray.
Are the tray 4 lift gear assembly or the surrounding
parts of it damaged?
3 Check the tray 4 media feed lift motor for proper
operation.
Pull out the media tray, then push it back in.
Does the tray lift up properly?
4 Check the tray 4 media feed lift motor for proper
connection.
Is the above motor connected properly?
5 Check the tray 4 media feed lift motor for proper
operation.
Replace the media feed lift motor for tray 4 with that for
tray 3.
Pull out the media tray, then push it back in.
Does the tray lift up properly?
6 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?
7 Check the tray 3 sensor (media level) for proper
operation.
1. Enter Diagnostics mode.
2. Select INPUT TRAY TESTS.
3. Select Sensor Tests.
4. Select Tray 3.
5. Select Media level.
Remove the media tray assembly, and move the pick
roll with your finger in an up and down motion. Avoid
touching the rubber roll surface.
Does the display on the operator panel change every
time the sensing area of the above sensor is blocked?
2-58
Options Service Manual
Check Yes
Go to step 2. Load media.
Go to step 3. Replace the tray 4
lift gear assembly or
the obstacles.
Go to
dual input (TTM)—
tray 4 lift gear
assembly removal"
on page
Go to step 6. Go to step 4.
Go to step 5. Replace the
connection.
Reinstall the media Go to step 6.
feed lift motor for
tray 3 as it
previously was, and
then replace the
motor for tray 4 with
a new one.
Go to "2000-sheet
dual input (TTM)—
media feed lift
motor removal" on
page 4-90.
Go to step 7. Replace the
connection.
Go to step 9. Go to step 8.
No
"2000-sheet
4-114.