If it is a bad jam like I had it took 8 hours in acetone to clean out, but after I did it worked better then it did when I received it.antfurn wrote:Yes that's what I did. Took the nozzle off and let it sit in acetone for an hour or more.
Use the pointy stick tool, supplied with the all the other tools, and picked out anything stuck inside.
I just scraped off the worst from the outside and gave it a quick sanding with fine sandpaper to get the rest off.
Don't sand the very tip though! That needs to be left as flat, level & smooth as possible. Only clean that with acetone.
2nd warning; the thread on the hot-end is way to easy to mess up. Follow the guides to nozzle changing and use plumbers tape when putting it back on.
I know the hot ends are not cheap, but I would recommend if you can afford it to purchase a spare, that way if it fails or jams again you can replace and keep your printer going while fixing it. I have a spare that I keep around with a 0.25mm nozzle on it and as was stated, use plumbers tape on the threads or you could mess up your threads and have to replace more than you wanted.