Step 1 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the cartridge is not supported, then install a supported one. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the document.
Do vertical light bands appear on prints? | Go to step 2. | The problem is solved. |
Step 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Check the status of the toner cartridge. From the control panel, navigate to: Settings > Reports > Device > Device Statistics ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) From the Supply Information section of the pages printed, check the status of the toner cartridge.
Do vertical light bands appear on prints? | Go to step 3. | The problem is solved. |
Step 3 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Replace the toner cartridge. ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Print the document.
Do vertical light bands appear on prints? | Contact customer support. | The problem is solved. |