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Help: Ultimaker 2 Extended Prints Failing After Raft


jcalderon
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Posted (edited) · Help: Ultimaker 2 Extended Prints Failing After Raft

Hi!

I've recently purchased a slightly used (30 min print time) Ultimaker 2 Extended and haven't been able to successfully print anything that isn't already stored within the SD card.

I am using the latest version of Cura, 15.04.4, and anytime I try to print anything else, the raft prints fine but the model fails.

IMG_2464.thumb.JPG.8b24de9a93a50ef1b85ee1951d6b9ac0.JPG

IMG_2467.thumb.JPG.56f77acb001a1e7172dd4232ab013744.JPG

IMG_2464.thumb.JPG.61b76144f1930d1525826a07b1daeabb.JPG

Note: These are from two separate prints. The model's density was at 25% but it still skip layers and does a shoddy job. In the second attempt, I peeled the raft away to check it's density and it seems a tad off but doesn't seem to be related to the actual problem where it stops extruding the filament correctly once it gets to the model.

My hunch is that it's related to the software I am using but I deinstalled and reinstalled the software and am still having the same problem.

Thanks in advance!

IMG_2464.thumb.JPG.8b24de9a93a50ef1b85ee1951d6b9ac0.JPG

IMG_2467.thumb.JPG.56f77acb001a1e7172dd4232ab013744.JPG

IMG_2464.thumb.JPG.61b76144f1930d1525826a07b1daeabb.JPG

Edited by Guest
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    Posted · Help: Ultimaker 2 Extended Prints Failing After Raft

    Hi,

    it looks like there is too little filament extruded or maybe extruded at the wrong temperature.

    Check that there is nothing stuck in the feeder at the back. Then try the "atomic method" to clean the nozzle from the inside:

    https://ultimaker.com/en/manuals/149-atomic-method

    If the prints still fail, you can check the temperature sensor. It might not fully connect to the nozzle and send weird temperature readings. You can skip step 2. in the following guide:

    https://ultimaker.com/en/manuals/252-disassembly

    In any case, do take a closer look at the printer while it prints. Does the feeder motor at the back jump back from time to time? Or is the filament unobstructed and can move freely?

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