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UM3E First Glob of material stays stuck under print head


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Posted · UM3E First Glob of material stays stuck under print head

Hello everyone, I am having often the same issue:

When the printer starts a print, she does a small glob of material in the top front corner, but I often had that glob stuck under the print head and ruining the print, so the only solution I have found is to wait and remove manually the glob before it starts the print.

More often when printing with ABS, and really often with PVA

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    Posted · UM3E First Glob of material stays stuck under print head

    Hi Swissengineer,

    thank you for your post. Sorry to hear that the little blob of filament makes it to your print. Do you print with a skirt? Usually this skirt also functions as a buffer to catch these kinds of things.

    Looking forward hearing from you!

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    • 2 weeks later...
    Posted (edited) · UM3E First Glob of material stays stuck under print head

    I find the skirt helps with this sometimes...but sometimes, that blob appears near the nozzle and despite the best attempts to tweezer it off via pause....another one will appear!

    Edited by Guest
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    Posted · UM3E First Glob of material stays stuck under print head

    This happens frequently w/ my UM3 also. I always manually remove the blob now. Sometimes, the blob will release from the extruder just fine, but then get stuck to the bottom of the fan case.

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    Posted · UM3E First Glob of material stays stuck under print head

    Hi Swissengineer,

    We are aware of the 'blobs' not sticking to the build plate and we are working on a solution to the problem, thanks for reporting!

    Sadly, I can't give an estimation on the fix date just yet. :( Keep an eye on the changelogs when new Cura's are released if the issue is fixed.

    Regards,

    Jeroen

    Jeroen

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    Posted (edited) · UM3E First Glob of material stays stuck under print head

    Hi Guys,

    Has this been fixed yet as i am having he same issue on nearly all prints running the latest firmware and software?

    Thanks

    Edited by Guest
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    Posted · UM3E First Glob of material stays stuck under print head

    Hi Nigel,

    I'm glad to announce it will be available when Cura 2.6_beta releases!

    You'll have to be a little more patient, keep an eye out on our website!

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    Posted · UM3E First Glob of material stays stuck under print head

    Thanks for the heads up Jerooney. Look forward to this, Cheers

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    Posted · UM3E First Glob of material stays stuck under print head

    Hi Guys,

    The bèta is online for a week now, has anyone tried the new function?

    It's called 'Enable prime blob' and is placed in the 'build plate adhesion' category.

    Regards,

    Jeroen

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