Step 1 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Depending on your operating system, increase toner darkness from the Printing Preferences or Print dialog. Note: You can also change the setting on the printer control panel. From the home screen, touch Settings > Print > Quality > Toner Darkness. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the document.
Does gray or colored background appear on prints? | Go to step 2. | The problem is solved. |
Step 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Perform Color Adjust. From the home screen, touch Settings > Print > Quality > Advanced Imaging > Color Adjust. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the document.
Does gray or colored background appear on prints? | Go to step 3. | The problem is solved. |
Step 3 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Remove the photoconductor units. Warning—Potential Damage: Do not expose the photoconductor units to direct light. Extended exposure to light may cause print quality problems. Warning—Potential Damage: Do not touch the photoconductor drums. Doing so may affect the quality of future print jobs. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Insert the photoconductor units. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the document.
Does gray or colored background appear on prints? | Contact customer support. | The problem is solved. |