Lexmark X940e Owners Manual

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940.00 MPF tray 5 size sensing error
941.00 Switch (media size) size sensing error (tray 1)
2Check the sensor (Y toner RFID) for proper connection.
Is the above component properly connected?Replace the 
CMYK toner add 
motor assembly.
Go to “CMYK 
toner add motor 
assembly 
removal” on 
page 4-103.Replace the 
connection.
3Perform a POR.
Does the error occur when the power is turned off/on?Replace the upper 
printer engine card 
assembly. 
Go to...

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941.01 Sensor (media level) late error (tray 1)
3Check the tray 1 switch (media size) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 1.
5. Touch Tray 1 present.
Does the display on the operator panel, change every time 
the media tray is opened and closed?Go to step 5. Go to step 4.
4Check the tray 1 switch (media size) for proper connection.
Is the above component properly...

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942.00 Switch (media size) size sensing error (tray 2)
4Check the media feed/lift motor (tray 1) for proper 
operation. 
Caution: When performing motor tests, 
ensure that all cover and door interlock 
switches are overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Tray 1 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...

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942.01 Sensor (media level) late error (tray 2)
4Check the tray 2 switch (media size) for proper connection.
Is the above component properly connected?Replace the switch 
(media size).
Go to “Switch 
(media size) 
removal” on 
page 4-121.Replace the 
connection.
5Perform a POR.
Does the error continue when the power is turned off/on?Replace the upper 
printer engine card 
assembly.
Go to “Upper 
printer engine 
card assembly 
removal” on 
page 4-88.Problem...

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943.00 Switch (media size) size sensing error (tray 3)
5Check the media feed/lift motor (tray 2) for proper 
connection.
Is the above component properly connected?Replace the media 
feed/lift motor.
Go to “Media feed 
lift motor 
removal” on 
page 4-120.Replace the 
connection.
6Perform a POR.
Does the error continue when the power is turned off/on?Replace the upper 
printer engine card 
assembly.
Go to “Upper 
printer engine 
card assembly 
removal”...

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943.01 Sensor (media level) late error (tray 3)
5Perform a POR.
Does the error continue when the power is turned off/
on?Replace the upper 
printer engine card 
assembly.
Go to “Upper 
printer engine card 
assembly removal” 
on page 4-88.Problem solved.
Step Check Yes No
1Check the media.
Is media loaded in tray 3 properly?Go to step 2. Load media 
properly.
2Check the sensor (media level) (tray 3) for proper operation.
1. Enter the Diagnostics Menu.
2....

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944.00 Switch (media size) size sensing error (tray 4)
6Perform a POR.
Does the error continue when the power is turned off/on?Replace the upper 
printer engine card 
assembly.
Go to “Upper 
printer engine 
card assembly 
removal” on 
page 4-88.Problem solved.
Step Check Yes No
1Check the media.
Is media loaded in tray 4 properly?Go to step 2. Load media 
properly.
2Check the media tray.
Are the size sensing mechanisms on the back and the 
bottom of...

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944.01 Sensor (media level) late error (tray 4)
Step Check Yes No
1Check the media.
Is media loaded in tray 4 properly?Go to step 2. Load media 
properly.
2Check the sensor (media level) (tray 4) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 4.
5. Touch Media level.
Does the display on the operator panel, change every time 
the media tray is opened and closed?Go to step 4. Go to step 3....

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950.00 through 950.29 EPROM mismatch failure
950.30 through 950.60 EPROM mismatch failure
Warning: In the event of replacement of any one of the following components:
• RIP card assembly
• Interconnect card assembly
Only replace one component at a time. Replace the required component, and perform a POR before replacing 
a second component listed above. If this procedure is not followed, the printer will be rendered inoperable. 
Never replace two or...

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951.XX RIP card assembly NVRAM failure
952.XX Interconnect card assembly NVRAM CRC failure
Step Check Yes No
1 Check the interconnect card assembly.
Was the interconnect card assembly recently replaced?Go to step 3. Go to step 2. 
2 Check the RIP card assembly.
Was the RIP card assembly recently replaced?Go to step 4. Contact the next 
level of support.
3 Replace the current interconnect card assembly with the 
original interconnect card assembly.
Does the...