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CC 0.4 print core is defective


MAKRO
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Posted · CC 0.4 print core is defective

The new printcore has stopped working after only a few hours, the print core seems to be obstructed, and no matter how i try to clean and unblock the nozzle nothing comes out 

What is the problem caused by? I would not recommend to buy it, another friend with ultimaker had the same problem. 

We have communicated this issue rapidly to the customer to ask a refund or a substitution in warrancy but we didn't have an answer yet

I think this product quality need to be checked by the producer before selling to customer at very high price 

Hope to receive some kind of answer and explanation soon 

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    Posted · CC 0.4 print core is defective

    This is rare but probably more common on a brand new machine.  I'd guess that there was a tiny bit of something either in the bowden tube or on the filament that got carried along into the nozzle.  Something that doesn't melt at 200C such as a bit of teflon or PFA or a grain of sand or bit of metal.

     

    Anyway - try a cold pull.  Go to the menu on the UM3/S3/S5 and under maintenance (I think) somewhere there is an option to do hot and cold pulls.  Try the cold pull until you get a perfect image of the tip.

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    Posted · CC 0.4 print core is defective

    Hi, thank you for your post and welcome to the forums. 

     

    3 hours ago, MAKRO said:

    The new printcore has stopped working after only a few hours, the print core seems to be obstructed, and no matter how i try to clean and unblock the nozzle nothing comes out 

    Can you perhaps elaborate a little bit further about what you have tried to unblock it, and what (material) you printed or tried to print before it got clogged?

     

    If you haven't found instructions yet, you can find them here. Of course we don't know yet what is blocking it, but we haven't ran into many print cores that couldn't be cleaned anymore. Good luck! 

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    Posted · CC 0.4 print core is defective

    By the way - many times what seems like a "blocked nozzle" is actually some other problem such as a "3rd fan broken" (the fan in the door of the print head which should always be on when either core is above 60C) or perhaps the feeder has an issue.

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