Step 1 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Using the Maintenance Defect Ruler page, 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. Photoconductor unit - 94.6
mm (3.72
in.)
- 37.7
mm (1.48
in.)
Developer unit ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the Print Quality Test 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 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Using the Maintenance Defect Ruler page, 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. Second transfer roller - 64.4
mm (2.54
in.)
Fuser - 96
mm (3.78
in.)
- 88
mm (3.46
in.)
Transfer belt - 37.7
mm (1.48
in.)
- 31.4
mm (1.24
in.)
- 70.7
mm (2.78
in.)
- 46.9
mm (1.85
in.)
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the Print Quality Test Pages.
Do the defects still appear? | Take note of the distance, and then contact customer support or your service representative. | The problem is solved. |