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gaschoa

Friction when Inserting Filament into Nozzle (Atomic Method)

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Our Ultimaker 2 is having a lot of trouble with the filament not properly going through the nozzle. I have cleaned the nozzle with the Atomic Method a number of times- the most recent time I did this, there was a lot of friction and I needed to use a lot of pressure to get the filament to insert into the nozzle. When I was pushing it in, there was a type of 'pop' and once it got past that point in the nozzle, it extruded properly.

When I insert new filament, it will not fully insert into the nozzle. I have to advance the filament so it sticks out of the bowden tube and push it into the nozzle.

Any ideas on where the friction is happening when inserting into the nozzle?

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