Quote Originally Posted by fei8820 View Post
it work great flawlessly .. untill one day.... it just keep clogging with pla ... redo everything get a new mk2 extruder... change the head and work for new weeks and Now happen again. and unable to finish large Print now.... any idea what extruder can i upgrade ? or i just get a better printer... btw i doing small business helping people design and print 3d model... any advice for me thanks
Welcome to PLA. You will need to cool the barrel or get a PEEK teflon barrel to ensure it stays cool all the way through right up until it gets to the nozzle.