If the issue persists, try using a different toner cartridge if available. If none, replace the affected toner cartridge.
To order toner, follow these steps:
Go to Lexmark.com.
Click Supplies & Accessories. In the dropdown menu, click Find Supplies.
In the search bar, type the printer model or supplies part number. Click Find my supplies.
In the product page, scroll down and look for the Supplies tab.
Choose the product to order and Add to Cart.