Lexmark X940e Owners Manual

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4Check the pick feed rolls. 
Are the pick rolls free of excess wear and contamination?Go to step 5. Clean or replace 
the pick rolls.
Go to “Pick roll 
removal” on 
page 4-116.
5Check the sensor (registration) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch BASE SENSOR TEST.
3. Touch Media Path.
4. Touch Registration.
Does the display on the operator panel, change every time 
the sensing area of the above sensor is interrupted or...

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290.00 Switch (sheet through) static jam
10Check the MPF/transport drive motor for proper connection.
Is the above component properly connected? Replace the MPF/
transport drive 
motor
. 
Go to “MPF / 
transport drive 
motor assembly 
removal” on 
page 4-114.Replace the 
connection. 
11Perform a print test.
Does the error continue?Replace the lower 
printer engine card 
assembly.
Go to “Lower 
printer engine 
card assembly 
removal” on 
page 4-91.Problem...

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290.01 Sensor (sheet through) late jam
Step Check Yes No
1Check the original document condition.
Is the original document free of paper clips and staples as 
well as damage such as creases, tears, holes or excessive 
wear?Go to step 2. Remove 
damaged original 
document and 
replace with a 
new undamaged 
original 
document. 
Perform a ADF 
test. If the 
problem remains, 
go to step 2.
2Check the ADF rolls for wear.
Is the ADF feed/pick roll assembly...

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6Check the ADF feed drive motor assembly 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 Scanner Motor Tests.
4. Touch ADF feed drv mtr.
Does the above component operate properly?Go to step 8. Go to step 7.
7Check the ADF feed drive motor assembly for proper 
connection.
Is the above component properly...

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290.02 Sensor (ADF pre-registration) late jam (side 1)
Step Check Yes No
1Check the original document condition.
Is the original document free of paper clips and staples as 
well as damage such as creases, tears, holes or excessive 
wear?Go to step 2. Remove damaged 
original document 
and replace with a 
new undamaged 
original document. 
Perform a ADF 
test. If the 
problem remains, 
go to step 2.
2Check the ADF rolls for wear.
Is the ADF feed/pick...

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290.03 Sensor (ADF pre-registration) lag jam
6Check the ADF feed drive motor assembly 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 Scanner Motor Tests.
4. Touch ADF feed drv mtr.
Does the above component operate properly?Go to step 8. Go to step 7.
7Check the ADF feed drive motor assembly for proper 
connection.
Is...

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2Check the ADF rolls for wear.
Is the ADF feed/pick roll assembly or the ADF separation roll 
guide assembly free of excess wear?Go to step 3. Clean or replace 
the ADF feed/pick 
roll assembly or 
the ADF 
separation roll 
guide assembly. 
Go to “ADF feed/
pick roll 
assembly 
removal” on 
page 4-149 or 
“ADF separation 
roll guide 
assembly” on 
page 4-162.
3Check the media path for contaminates.
Is the media path free of excess media dust and...

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8Check the ADF feed drive motor assembly 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 Scanner Motor Tests.
4. Touch ADF feed drv mtr.
Does the above component operate properly?Go to step 10. Go to step 9.
9Check the ADF feed drive motor assembly for proper 
connection.
Is the above component properly...

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290.10 Sensor (ADF pre-registration) static jam
13Place an undamaged document in the ADF, and perform a 
ADF test.
Does the error remain?Replace the RIP 
card assembly. 
Go to “RIP card 
assembly 
removal” on 
page 4-84.Problem solved.
Step Check Yes No
1Check the media path.
Is the media path free of media or media fragments?Go to step 2. Remove any 
media or media 
fragments.
2Check the sensor (ADF pre registration) for proper operation.
1. Enter...

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290.11 Sensor (ADF registration) late jam (side 1)
Step Check Yes No
1Check the original document condition.
Is the original document free of paper clips and staples as 
well as damage such as creases, tears, holes or excessive 
wear?Go to step 2. Remove damaged 
original document 
and replace with a 
new undamaged 
original document. 
Perform a ADF 
test. If the problem 
remains, go to step 
2.
2Check the ADF rolls for wear.
Is the ADF feed/pick roll...