Repeating defects

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.

   Photoconductor unit

   • 125.70  mm (4.95  in.)
   • 35.40  mm (1.39  in.)

   Developer unit

   • 42  mm (1.65  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 repeating defects on the affected color page.



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

   Transfer roller

   • 78.50  mm (3.09  in.)

   Transfer module

   • 47.10  mm (1.86  in.)
   • 90  mm (3.54  in.)

   Fuser

   • 96.60  mm (3.80  in.)
   • 127.60  mm (5.02  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.