Switch (Media Size) Size Sensing Error (Tray 3) - Lexmark X940e Service Manual

7510
Step
3
Check the sensor (media level) (tray 2) for proper
connection.
Is the above component properly connected?
4
Check the media feed/lift motor (tray 2) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Tray 2 media feed/lift motor.
Warning: The media tray must be opened before performing
this test or paper jam may occur.
Does the above component operate properly?
5 Check the media feed/lift motor (tray 2) for proper
connection.
Is the above component properly connected?
6 Perform a POR.
Does the error continue when the power is turned off/on?

943.00 Switch (media size) size sensing error (tray 3)

Step
1 Check the media.
Is media loaded in tray 3 properly?
2 Check the media tray.
Are the size sensing mechanisms on the back and the
bottom of the media tray damaged.
2-168
Service Manual
Check
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
Check
Yes
Replace the Replace the
sensor (media connection.
level).
Go to "Sensor
(media level)
removal" on
page 4-24.
Go to step 6. Go to step 5.
Replace the media Replace the
feed/lift motor. connection.
"Media feed
Go to
lift motor
removal" on
page 4-113.
Replace the upper Problem solved.
printer engine card
assembly.
"Upper
Go to
printer engine
card assembly
removal" on
page 4-77.
Yes
Go to step 2. Load media
properly.
Replace the media Go to step 3.
tray assembly.
No
No