I have a Pico hot end from b3 innovations and have not had a successful print with it. I used to be able to print well but ever since my last hot end clogged and was unable to fix it. So now the new Pico hot end keeps clogging. I have been able to clear them thanks to getting one that can be taken apart. How would I go about fixing this? I used to have the extrusion multiplier at 2 which clogs the new one. I have tried 1-1.5 and it doesn't clog but doesn't extrude enough. 1.8-2 clogs it