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Lexmark C54x & X54x – Loud Clicking Noise Coming from the Cartridge Area (Right side) of the Printer/MFP

Document ID:TE456

Usergroup :External


Loud clicking noise coming from printer's cartridge area; Right side of printer; Clicking; Clunking; Chugging; Noises; Cartridge; Printer noise; MFP noise; C54x; X54x; Dislodge developer gear; How to fix dislodged developer roller



Clicking noise originating from the cartridge area (right-hand side) of the printer can be caused by a dislodged developer roller or cartridge gear. The loud cartridge noise will sound similar to the example below.


Click the play button to hear the sample cartridge noise.

NOTE: If the printer produces noise which is different from the example above, click here.



The example noise presented above can be easily fixed without replacing any of the machine's parts. The steps outlined below guide you on how to perform this.

Step Action Click Image to Enlarge


Open the top door by sliding the button forward.

  • For Lexmark C54x, see Figure 1a.
  • For Lexmark X54x, see Figure 1b.


Figure 1a

Figure 1b



Remove each toner cartridge (CMYK) by lifting the handle and gently removing it from the imaging unit.


Figure 2


Inspect the developer port for each color (CMYK). If you notice that toner is filling the developer port, this indicates that the developer gear of that color may not be engaged.

Note: Figure 3 shows that the magenta developer port is full of toner. This indicates that the developer gear may be dislodged. It is important to inspect the developer ports for each color.


Figure 3


To fix this issue, remove the image basket. Click the Figure 4 link to view the instructions on how to do this.


Click here
to view the steps
on how to remove
the image basket.

Figure 4


Remove the right-side door.


Figure 5


Press the green levers on each side of the waste toner bottle and remove it.


Figure 6


Lift the blue levers as indicated on Figure 7 and pull the imaging unit toward you.


Figure 7


Press down on the blue release button, grasp the green handles on the sides, and then pull the imaging unit out. Set it to the side.

Warning!Potential Damage: Do not touch the underside of the imaging kit. This could damage the imaging kit.


Figure 8


Inspect the gears at the rear of the developer unit. This is the end of the developer that is opposite from the toner port that you inspected in Step 3.

Note: Figure 9 shows that the developer gear is disengaged. You can visibly see the metal shaft behind the gear and the gear is at an angle.


Figure 9


To correct the disengaged gear, simply push the gear back, and it will reposition itself. It should now function properly.

Note: As this issue might be caused by an impact during shipment of this product, this noise should not happen again once the gear is properly repositioned. Figure 10 shows the developer gear when it is positioned properly. Repeat this step for each color (CMYK) if necessary.


Figure 10



How to reinstall the imaging basket

After carefully repositioning the dislodged gear, follow the steps below to re-install the image basket.

Step Action Click Image to Enlarge


Align and insert the imaging unit into the machine. Leave the levers in the up position (Figure 11b) when inserting the unit into the printer. Once the unit is fully inserted, push the levers down to lock.


Important! Make sure not to touch the PC drums when performing this step.


Figure 11a

Figure 11b



Install the toner cartridges.


Figure 12


Install the waste toner bottle.


Figure 13


Re-attach the right-side cover.


Figure 14


Close the top and front door.


Figure 15


Try to print and see if the noise has ceased.

If the issue persists or if you are having difficulties performing the procedure, contact Lexmark Technical Support.


No Image



Still need help?

Please contact Lexmark Technical Support if you need additional assistance. NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating these, click C54x or X54x.

Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.


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