Step 1 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Make sure your software program is using a correct fill pattern. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Resend the print job.
Do horizontal voids appear on prints? | Go to step 2. | The problem is solved. |
Step 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Load the specified tray or feeder with a recommended type of paper. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Resend the print job.
Do horizontal voids appear on prints? | Go to step 3. | The problem is solved. |
Step 3 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Redistribute the toner in the imaging unit. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Remove the toner cartridge, and then the imaging unit. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Firmly shake the imaging unit. Warning—Potential Damage: Do not expose the imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Reinstall the imaging unit, and then the cartridge.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Resend the print job.
Do horizontal voids appear on prints? | Go to step 4. | The problem is solved. |
Step 4 Replace the imaging unit, and then resend the print job. Do horizontal voids appear on prints? | Contact customer support. | The problem is solved. |