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Lexmark CX827

Lexmark CX827

Horizontal dark lines

Notes:

  • Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages.
  • If horizontal dark lines keep appearing on the prints, then see the “Repeating defects” topic.
ActionYesNo

Step 1

  1. Depending on your operating system, specify the paper source from the Printing Preferences or Print dialog.

  2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 2.

The problem is solved.

Step 2

  1. Depending on your operating system, specify the paper type from the Printing Preferences or from Print dialog.

    Notes:

    • Make sure that the setting matches the paper loaded in the tray.
    • You can also change the setting on the printer control panel. From the home screen, touch Settings > Paper > Tray Configuration > Paper Size/Type.
  2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 3.

The problem is solved.

Step 3

  1. Load paper from a fresh package.

    Note:  Paper absorbs moisture due to high humidity. Store paper in its original wrapper until you use it.

  2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 4.

The problem is solved.

Step 4

  1. Remove, and then insert the imaging unit.

    Warning—Potential Damage:  Do not expose the imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.

    Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging unit. Doing so may affect the quality of future print jobs.

  2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 5.

The problem is solved.

Step 5

Replace the imaging unit, and then print the document.

Do horizontal dark lines appear on prints?

Contact customer support.

The problem is solved.

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