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pra04dpc

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  • Content Count

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  • Field of Work
    Engineering
  • Country
    GB
  • 3D printer
    Ultimaker 3 Extended
  1. pra04dpc

    Print Core Jammed after filament build up

    This is what is left. Believe me, compared to what I started with, this is really minimal mess!
  2. pra04dpc

    Print Core Jammed after filament build up

    Hi @ultiarjan, Thanks for your reply. Ok so this is good news that I might need to disassemble the print core! So I can remove the print cores manually without using the menu simply by pushing the grips together with my fingers? This is also good news. However, I currently cannot do that - they seem to be stuck. I assume this is because of the filament build behind the cores. I will add a photo shortly. Sadly there's been a casualty in that one of the print core wires to the Olssen block/nozzle has broken (it was completely encased in filament and had been pushed into an abnormal position).Are these replaceable or will this require the purchase of a new print core? Thanks again for your help!
  3. Hey guys, Unfortunately the fan bracket popped open during a print last week and a good 3 hours worth of filament accumulated and backed up into the print head of my UM3 extended+. This left a fairly significant blob of polywood stuck in and around the print head and extruding nozzle. I've cleaned the worst of it away using microshears and files and now there is just some gunk left in some hard to reach and fiddly places at the back of the nozzles where the wires are. Ideally I would like to remove the AA print core to finish up the clean up operation but due to the accident there is now a loose/dirty connection with the print core. Therefore, before I'm able to scroll through the menu to remove the core, I get a max temp error and all menu options disappear and I'm unable to proceed. My only option is to switch off the printer. So I'm asking for some advice regarding my next steps and options... Is the only way around this to disassemble the print head? I haven't done this before (although I'm happy to give it a go!) so my worry is that I will spend time disassembling the print head and I still won't be able to get the print core out! I guess this is not the case but I just wanted to check. Any other suggestions/options are also very welcome! Thanks in advance!
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