Issue Description:
When printing, there is a visible streak(s) seen on the paper.
Printhead lens contamination causes voids or lines in the EP process direction*, as seen in the above example.
Normal printing can lead to lens contamination from common dust, paper dust, or toner accumulating on the laser lens.
Solution:
Clean all four photoconductor units. To do this:
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Open door Aand remove the waste toner bottle.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Remove the printhead wiper brush from the inside of the door.
Make sure that the wiper/brush is clean. Note: If you have verified the wiper is beyond cleaning, damaged, or lost, please contact Technical Support for further assistance.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Insert the brush into each of the four spots(ports) below the photoconductors and move the brush towards the back of the printer at least three times (preferred) for each slot.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Check the waste toner bottle whether it is full or not.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Afterward, return the wiper to its original position, reinsert the waste toner bottle, close door A, and print a test page containing halftones to make sure that lens is thoroughly cleaned.
LEGACY ID: SO8411