![]() ![]() Unblocking can be a quick and easy process if you’re lucky. The Atomic Pull or Cold Pull is one of the best solutions to fix this problem! So keep these in mind if you use a variety of different filaments for your 3d print jobs. Similarly, a switch between ABS and Nylon does the same and you may see a wisp of smoke appear briefly as the new filament is fed through. When heated beyond its normal melting point, it will carbonize and burn which causes the blockage. Some amount of PLA is left behind in the nozzle. The difference in melting points of various filaments is what attributes to a blocked nozzle. ![]() If you frequently switch between filaments like ABS and PLA then this problem occurs quite a bit. But if it continues then its sign to acknowledge there may be a clogged nozzle creating these problems. Small changes in your print quality like nicks in the outer walls, small flecks of dark filament are often overlooked because its hard to tell if there really is a problem or some variations. Weeks or even months may pass without you realizing, but there will be small signs in the quality of your prints. In fact, you’ll find that even before a clog even appears, there is old carbonized filament stuck inside your nozzle. When the new filament is loaded, the piece of old filament that is left in the nozzle doesn’t allow the new filament to be pushed out.Ī little printer maintenance can go a long way to reduce the chance of problems like a clogged nozzle. Removing and reinserting the filament doesn’t work as well.Ī small piece of filament has been left behind previously in the nozzle after changing spools, often when the filament has snapped off at the end. You’re trying to print a design but whatever you try, nothing comes out of the nozzle.
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