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Lexmark CS728

Lexmark CS728

Repeating defects

Note:  Before solving the problem, print the Maintenance Defect Ruler from the Troubleshooting section of the Settings menu.

ActionYesNo

Step 1

  1. Print the quality sample pages.

    From the home screen, touch Settings > Troubleshooting > Basic Print Quality Samples.

  2. Determine how many colors have defects.

Is only one color affected?

Go to step 2.

Go to step 3.

Step 2

  1. Using the Maintenance Defect Ruler, measure the distance between the repeating defects on the affected color page.

  2. Replace the supply item that matches the measurement on the affected color page.

    Imaging kit or imaging unit

    • 94.20  mm (3.70  in.)
    • 29.80  mm (1.17  in.)
    • 25.10  mm (0.99  in.)

    Developer unit

    • 43.90  mm (1.73  in.)
    • 45.50  mm (1.79  in.)
  3. Print the quality sample pages.

Do the defects still appear?

Take note of the distance, and then contact customer support or your service representative.

The problem is solved.

Step 3

  1. Using the Maintenance Defect Ruler, measure the distance between the defects on the affected color page.

  2. Replace the supply item that matches the measurement on the affected color page.

    Transfer module

    • 37.70  mm (1.48  in.)
    • 78.50  mm (3.09  in.)
    • 55  mm (2.17  in.)

    Fuser

    • 95  mm (3.74  in.)
    • 110  mm (4.33  in.)
    • 34.60  mm (1.36  in.)
  3. Print the quality sample pages.

Do the defects still appear?

Take note of the distance, and then contact customer support or your service representative.

The problem is solved.

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