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Lexmark MX931

Lexmark MX931

Vertical light bands

Note:  Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages.

ActionYesNo

Step 1

  1. Remove the printhead wiper, and then clean the printhead lens.

  2. Print the document.

Do horizontal light bands appear on prints?

Go to step 2.

The problem is solved.

Step 2

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

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

  2. Print the document.

Do vertical light bands appear on prints?

Go to step 3.

The problem is solved.

Step 3

  1. Check the status of the toner cartridge.

    From the home screen, touch Settings > Reports > Device > Device Statistics.

  2. From the Supply Information section of the pages printed, check the status of the toner cartridge.

Do vertical light bands appear on prints?

Go to step 4.

The problem is solved.

Step 4

  1. Replace the toner cartridge.

  2. Print the document.

Do vertical light bands appear on prints?

Contact customer support.

The problem is solved.

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