3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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help with clogged Mk4 hotend? (sh.itjust.works)

submitted 5 months ago by [email protected] to c/[email protected]

8 comments fedilink hide all child comments

Total clog with prusament pla in line. Can't feed anything through even at high heat. Cold pull not possible / filament not making it into hot end to do this.

You can see little bit of filament sticking out in photo, but with pliers this just tears.

Should I try heating up the whole hot end tube with a soldering iron to see if I can liquify the clog out?
Any other ideas? I can't find many good resources about what to do in this situation online. Also, obviously needs to get cleaned up a bit, but does picture of my hot end tip look pretty ok? Do I need to bite bullet and get a new hot end? If so, are Amazon off brand replacements ok, or do I need to wait for one to get shipped from prusa?

Thank you

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[–] [email protected] 2 points 5 months ago

If cold pulls won't work get a new nozzle. Filament of choice for this procedure is Nylon.

One of the alternatives could be THF to dissolve the plastic and go from there. Don't know what Prusa charges for nozzles but it can't be that bad to make this procedure worth it. After all it is a Prusa and not some industrial machine.