Lexmark X940e Owners Manual

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Front left cover removal 
1. Open the printer front door assembly.
2. Remove the two screws securing the front left cover (A) to the machine.
3. Move the front left cover (A) up and pull out.
4. Remove the front left cover (A).
Duplex media inverter assembly removal 
1. Open the printer left door assembly.
2. Remove the E-clip securing the fuser exit roll assembly (A) to the machine.
3. Remove the bushing (B).
4. Remove the fuser exit roll assembly (A)....

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Duplex unit assembly removal 
1. Remove the two screws securing the duplex unit assembly (A) to the printer left door assembly (B).
2. Gently pull the duplex unit assembly (A) from the printer left door assembly (B).
Note:  When removing the duplex unit assembly (A), the plastic panel (C) may become detached.
3. Remove the duplex unit assembly (A). 
C
C
AB 

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Sensor (duplex wait) removal 
1. Remove the duplex unit assembly. See “Duplex unit assembly removal” on page 4-10.
2. Remove the screw securing the bracket (A) to the duplex unit assembly (B).
3. Release the hooks securing the sensor (duplex wait) (C) to the bracket (A).
4. Remove the sensor (duplex wait) (C).
5. Disconnect the connector from the sensor (duplex wait) (C).
Switch (duplex left door interlock) removal 
1. Remove the duplex unit assembly....

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Duplex media exit turn guide removal 
1. Remove the rear cover assembly. See “Rear cover assembly removal” on page 4-5.
2. Remove the rear left middle cover. See “Rear left middle cover removal” on page 4-6.
3. Remove the MPF feed unit assembly. See “MPF feed unit assembly removal” on page 4-8.
4. Remove the printer left door assembly. See “Printer left door assembly removal” on page 4-36.
5. Lay the printer left door assembly on a flat surface.
6. Move the...

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Replacement note:  When replacing the printer left door assembly (B), ensure that the duplex media exit 
turn guide (A) is held up, or the printer left door assembly (B) will not close properly.
Duplex drive motor removal 
1. Remove the duplex unit assembly. See “Duplex unit assembly removal” on page 4-10.
2. Remove the screw securing the connector access cover (A) to the duplex unit assembly (B).
3. Disconnect the connector from the duplex drive motor...

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Duplex controller card assembly removal 
1. Remove the duplex unit assembly. See “Duplex unit assembly removal” on page 4-10.
2. Remove the screw securing the connector access cover (A) to the duplex unit assembly (C).
3. Disconnect the connectors from the duplex controller card assembly (B).
4. Remove the two screws securing the duplex controller card assembly (B) to the duplex unit assembly (C).
5. Remove the duplex controller card assembly (B).
Connector...

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Fuser unit assembly removal 
CAUTION:  The fuser unit assembly can be extremely hot, handle with care to avoid getting 
burned.
1. Open the printer left door assembly.
2. Loosen the two thumb screws to release the fuser unit assembly (A) from the machine.
3. Pull the two handles on the fuser unit assembly (A) away from the machine.
4. Remove the fuser unit assembly (A) from the machine.
Handles
Thumb ScrewsA 

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Transfer belt unit assembly removal 
Warning:  When removing the transfer belt unit assembly, do not touch the belt surface, or damage will 
occur.
Note:  Detach the finisher if equipped. Refer to the MFP or the Printer Finisher Service Manual. 
1. Open the printer front door assembly.
2. Open the transfer belt access cover.
3. Press the button on the transfer belt lift latch (A).
4. Raise the transfer belt lift latch (A) to its upper-most position.
5. Lower...

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Transfer belt cleaning assembly removal
Warning:  When removing the transfer belt unit assembly, do not touch the belt surface, or damage will 
occur.
Note:  It is not required to completely remove the transfer belt unit assembly (B) from the machine. It can be 
partially pulled out to provide access to the transfer belt cleaning assembly (A).
1. Remove the transfer belt unit assembly. See “Transfer belt unit assembly removal” on page 4-16.
2. Remove the...

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transfer belt lift handle assembly removal
Warning:  When replacing the transfer belt lift handle assembly, the two transfer belt lift mechanisms must 
be correctly timed or print quality problems and damage will occur.
Replacement warning:  After replacing the transfer belt lift handle assembly (B), the two transfer belt lift 
mechanisms must be correctly aligned or print quality problems and damage will occur. Once the alignment 
is correctly set, replace...