Step 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Using the Maintenance Defect Ruler, measure the distance between the repeating defects on the affected color page. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) 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.)
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) 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 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Using the Maintenance Defect Ruler, measure the distance between the defects on the affected color page. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) 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.)
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) 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. |