Danielle, Apparently we are out of luck. They are happy to help us buy a new one instead. I love my MF4150, and happy that it has lasted when most products these days are disposable, and don't last long.
I have the same issue. Trying to install my MF4150 to Windows 11. It keeps saying the drivers aren't supported. Does this mean I'm going to have to buy a new printer? I mean, I know it's an old printer, but it still works fine. Seems silly to throw...