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It is either the nozzle blocked or the filament has got tangled.
Before stripping the print head use the 'atomic' clean up of the nozzle as the first approach. That should clear any junk. If the nozzle stays blocked, then I use the shaft end of a 0.4mm drill bit into the nozzle hole. You have to heat the nozzle to about 200C to soften anything in there, then gently push the drill end in. Once it is in place, slide it up and down to clear the hole. You will have to wrap some tape around the drill to stop you're self getting burnt. Take car and don't break the drill.
I use the machine default temperature of 210C for all my PLA work.
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JohnFox 25
It is either the nozzle blocked or the filament has got tangled.
Before stripping the print head use the 'atomic' clean up of the nozzle as the first approach. That should clear any junk. If the nozzle stays blocked, then I use the shaft end of a 0.4mm drill bit into the nozzle hole. You have to heat the nozzle to about 200C to soften anything in there, then gently push the drill end in. Once it is in place, slide it up and down to clear the hole. You will have to wrap some tape around the drill to stop you're self getting burnt. Take car and don't break the drill.
I use the machine default temperature of 210C for all my PLA work.
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