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Kathy7

Nozzle keep blocking

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Posted · Nozzle keep blocking

Hi, I bought Ultimaker 2 about one year. Recently, I found the nozzle blocked more often than before.

And every times I pull out the bowden tube, the shape of PLA filament is look like the following img.

Is it because the wrong temperature or other problem?

temperature: 215°C

nozzle.jpg.5449d6648aa0c141687062509d8c92a8.jpg

nozzle.jpg.5449d6648aa0c141687062509d8c92a8.jpg

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Posted · Nozzle keep blocking

Hi and welcome to the forum!

Have you checked your Teflon coupler? How many hours of printing to you have?

 

I print about 7 hours and stock at 6 hours

I did some adjustment, it seems worked. I put the 3D models closer and "print all at once"

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Posted · Nozzle keep blocking

@Kathy7

I think he meant how many hours total do you have on that Teflon coupler.. it is a wear and tear item that needs replaced occasionally based on usage.

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