Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages. For non‑touch‑screen printer models, press to navigate through the settings.
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.
Print the document.
Are fine lines not printed correctly?
Go to step 2.
The problem is solved.
Increase toner darkness.
From the control panel, navigate to:
Settings > Print > Quality > Toner Darkness
Contact customer support.
Check the printer jam recovery settings to print the jammed pages.
USB connected printers not working after installing Microsoft KB update KB5015807 in Windows 10.