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Lexmark CS820

Lexmark CS820

Lexmark CX/CS8xx and XC/Cxxxx: Print Quality Diagnosis ? Blotchy Print on 100% Coverage Page

Affected Products:

Single-Function: CS820, CS827 and C6160

Multifunction: CX820, CX825, CX827, CX860, XC6152, XC6153, XC8155, XC8160 and XC8163

Issue Description:

A printed page with high (100%) toner coverage shows white spots or blotches. See sample printout below.


  1. Touch the “Status/Supplies” icon in the printer’s Control Panel. Check the status of supplies and replace those that are low or empty. Proceed with the next step if all supplies are still in sufficient supply.

  2. Perform printer calibration. To do this from the printer’s Control Panel, navigate through: Settings > Print > Quality > Advanced Imaging > Color Adjust.

  3. Print the “Print quality samples” by navigating through: Settings > Report > Print Quality Pages.

  4. Check the printouts, especially those with 100% toner (fill) coverage.

    • If the blotches are gone, then recalibrating the printer was able to resolve the issue.

    • If defect persists, please contact Lexmark Technical Support for additional troubleshooting suggestions.

Still Need Help?

Have the following available when calling Lexmark Technical Support;


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