I don't know if anything has changed (firmware or hardware), but I notice a clear improvement in print quality on the C250i produced in recent months...
It is still unclear whether you use original toners or not. On the 4/4e series the drums can do two turns without problems.
Using aftermarket toners...
Gruesome is screwing CA over.. just like Auntie. they (Like all of their ilk) feel they what is better for us... but their gilded cage doesn't offer...