I've never seen the official bulletin, but it's no small task. On later production models they installed a new style front cover with holes to access...
If I were to guess, I'd guess that the U021 reset cleared the speed upgrade code, so it won't accept that toner, and it will run at 25ppm. I suspect...
So just to clarify: That line is crossfeed? If yes, start with the simplest of solutions: clean every rubber, metal, or plastic roller thoroughly. I...
I agree on this one. We have had a couple cases on high speed Konica Minoltas, in which fanning the paper made all the difference. Between us techs,...
Are you sure about that model number? the eStudio 305 is a Loire (Toshiba build, not Lexmark), and I can't find any reference to a Lexmark 338 on the...