It can be a lot of things. Here's some info on it:
http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#grinding
I see that I haven't added excessive amounts of retraction, I should add that as well.
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IRobertI 521
Try removing the bowden tube by removing the little blue horse shoe, then press down on the white coupler and pull the tube out.
But considering how much ABS dust there is in there I would just go ahead and remove the feeder completely so you can clean it out. To do that you have to remove the white cover that hides the motors on the inside. There's two screws that hold it in, one on the side and one on the back.
When that's gone, unscrew the four screws of the feeder, but grab hold of the feeder motor before you remove the last one as that's all that's keeping it there. The feeder will fall apart and you'll be able to clean it out (keep an eye out for the little metal grommet, where the filament enters, it has a tendency to hide in rugs
). Then just reverse the operation.
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GreenMachine01 1
Thanks for that.
I was kinda hoping there was a 'filament jam release and clean button' somewhere
.
Any ideas what causes this chewing of the filament. I am basically working with factory settings and have done about 4 prints so it is a brand new printer!
Cheers
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