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Lexmark MS521

Lexmark MS521

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Mottled print and dots

Note:  Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages. For non‑touch‑screen printer models, press to navigate through the settings.

ActionYesNo

Step 1

  1. Check if the printer is using a genuine and supported Lexmark toner cartridge.

    Note:  If the toner cartridge is not supported, then install a supported one.

  2. Print the document.

Is the print mottled?

Go to step 2.

The problem is solved.

Step 2

Check the printer for leaked toner contamination.

Is the printer free of leaked toner?

Go to step 4.

Go to step 3.

Step 3

  1. Replace the toner cartridge.

  2. Print the document.

Is the print mottled?

Go to step 4.

The problem is solved.

Step 4

Check the status of the imaging unit. From the control panel, navigate to:

Status/Supplies > Supplies

Is the imaging unit near end of life?

Go to step 5.

Contact customer support.

Step 5

  1. Replace the imaging unit.

  2. Print the document.

Is the print mottled?

Contact customer support.

The problem is solved.
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