Lexmark M1242
Control panel ignores end‑user choices or makes random selections without user input.
Go to the home screen and look for “Remote operator panel activated” at the top. If the message is present, there is a remote user operating on the printer control panel.
Contact Lexmark support if issue persists.
If your printed pages are streaky, crooked, faded, have lines on them that shouldn't be there, or are otherwise poor in quality, try these solutions.
Issues when setting up the printer using Mobile Assistant wirelessly