![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Check for debris, paper dust, or other substances on the ADF separator pad, restraint pad, and ADF separator rollers.
- If the ADF rollers are dirty or dusty, then proceed with the following instructions for cleaning the pick roller assembly:
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Open ADF cover.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
With isopropyl alcohol applied to a lint-free cloth, clean the restraint roller and pick roller.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Retest and then see Step 2 if the issue persists.
- If the ADF rollers are NOT dirty or dusty, clean the pick roller assembly anyway. This will assure that nothing is impairing the rollers ability to pick a sheet of paper.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Check the side paper guides to make sure they are not too loose and not too snug against the paper stack.
Note: This can also cause paper to skew.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Adjust the guides and retest.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
If the issue persists, verify the top ADF cover is fully closed.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Should the error still appear after performing the steps provided, proceed to upgrading the printer firmware.