The hardest to diagnose are utilities that browse all of the IP addresses. Sometimes you can get very lucky and just change the IP address, but such...
I also have seen various HVT issues. Before I did that though, I would try checking the driver checkbox "Print Text As Black". That may improve your...
Never installed KM 5020i but brand new Brother originals don't ask for Time zone for sure, time is set via Initial Setup. Should Factory reset don't...
From what I can see on you thumbnail it appears to be the cleaning blade or paper lint build up in the or around the waste toner coil creating a lint...