Lexmark X940e Owners Manual

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903.03 Developer drive motor error
Step Check Yes No
1Perform a POR.
Does the error occur when the power is turned off/on?Go to step 2. Perform several 
print tests. 
If the problem 
remains, go to 
step 2.
2Check the CMY developer 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 Printer...

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904.00 Sensor (transfer belt HP) late error
Step Check Yes No
1Reset the transfer belt HP failure lock out condition.
1. Enter the Diagnostics Menu.
2. Touch Trans belt fail HP.
3. Touch Trans belt fail HP.
Is the transfer belt torn, damaged, or missing?Replace the 
transfer belt.
If the problem 
persists, go to the 
next step.Go to step 3.
2Perform a POR.
Does the error occur when the power is turned off/on?Go to the next 
step.Perform several 
print tests....

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6Are the PC cartridge units correctly installed?
Refer to the following images. Note that the far left PC 
cartridge unit is tilted in the first image.
Incorrect:
Correct:Go to the next 
step.Remove and 
reinstall the PC 
cartridge units 
correctly. See “PC 
cartridge unit 
removal” on 
page 4-54.
If the problem 
persists, go to the 
next step.
7Do the PC units easily slide in and out of the machine? Go to the next 
step.Replace any 
damaged PC units...

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8Check that the transfer belt steering mechanism lock 
packaging was fully removed. If not removed before the 
transfer belt lever is lowered, the transfer belt steering 
mechanism lock might break and remain inside the machine 
in the area, as showing in the following image (A).
The following images show the transfer belt steering 
mechanism lock.
Are there any remnants from the packaging?Remove any 
packaging 
remnants.
If the problem 
persists, go to the...

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9Check the transfer belt cleaning assembly for proper 
installation or damage. 
Remove the transfer belt cleaning assembly. See 
“Transfer belt cleaning assembly removal” on 
page 4-17.
Check for damage. The most likely damage (B,C) Is shown 
in the following images. 
Undamaged: 
Damaged:
Is the transfer belt cleaning assembly damaged?Replace the 
transfer belt 
cleaning 
assembly. See 
“Transfer belt 
cleaning 
assembly 
removal” on 
page 4-17.
If...

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10Check the transfer belt drive motor assembly drive gear for 
damage.
1. Remove the transfer belt unit assembly. Go to 
“Transfer belt drive motor assembly removal” on 
page 4-93.
2. Inspect the transfer belt drive motor assembly drive gear 
(D) for damage.
Is the transfer belt drive motor assembly drive gear 
damaged?Replace the 
transfer belt drive 
motor assembly.
If the problem 
persists, contact 
the next level of 
support.Contact the next 
level of...

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904.01 Transfer belt position failure
Step Check Yes No
1Reset the transfer belt HP failure lock out condition.
1. Enter the Diagnostics Menu.
2. Touch Trans belt fail HP.
3. Touch Trans belt fail HP.
Does the transfer belt appear damaged or torn in half?Replace the 
transfer belt. 
If the problem 
persists, go to the 
next step.Go to the next 
step.
2Check the transfer belt unit assembly for proper installation.
Is the above component properly...

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7Are the PC cartridge units correctly installed?
Refer to the following images. Note that the far left PC 
cartridge unit is tilted in the first image.
Incorrect:
Correct:Go to the next 
step.Remove and 
reinstall the PC 
cartridge units 
correctly. See “PC 
cartridge unit 
removal” on 
page 4-54.
8Do the PC units easily slide in and out of the machine? Go to the next 
step.Replace any 
damaged PC units 
or any damaged 
erase lamp 
assembly. See 
“PC...

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9Check that the transfer belt steering mechanism lock 
packaging was fully removed. If not removed before the 
transfer belt lever is lowered, the transfer belt steering 
mechanism lock might break and remain inside the machine 
in the area, as showing in the following image (A).
The following images show the transfer belt steering 
mechanism lock.
Are there any remnants from the packaging?Remove any 
packaging 
remnants.Go to the next 
step. Step...

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10Check the transfer belt cleaning assembly for proper 
installation or damage. 
Remove the transfer belt cleaning assembly. See 
“Transfer belt cleaning assembly removal” on 
page 4-17.
Check for damage. The most likely damage (B,C) Is shown 
in the following images. 
Undamaged: 
Damaged:
Is the transfer belt cleaning assembly damaged?Replace the 
transfer belt 
cleaning 
assembly. See 
“Transfer belt 
cleaning 
assembly 
removal” on 
page 4-17.Go to the...