Step 3 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Remove the imaging kit, and then remove the imaging unit. Warning—Potential Damage: Do not expose the imaging kit and imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems. Warning—Potential Damage: Do not touch the photoconductor drum under the imaging kit. Doing so may affect the quality of future print jobs. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Insert the imaging unit, and then insert the imaging kit. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the document.
Do vertical white lines still appear on prints? | Contact customer support. | The problem is solved. |