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Blockage troubleshooting.  

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Hannes
(@hannes-3)
Active Member
Re: Blockage troubleshooting.

It has been mentioned numerous times now but there's an alternative multiplexer part - https://shop.prusa3d.com/forum/-f26/monoplexer-and-multiplexer-redesigns-no-metal-part-t12801.html - without steel tubes.

This one *completely* fixed the jamming problem on my printer, while I could hardly finish one single print with the original multiplexer.

Publié : 26/09/2018 3:29 pm
KG6JAZ
(@kg6jaz)
Active Member
Re: Blockage troubleshooting.

Peter, I want to thank you for your post, it definitely helped. I have tried numerous things and have not been successful getting MMU2 prints without extruder jamming. Reading your issues around the Teflon tube, I disassembled my extruder for the third time and looked instead at the heatbrake itself. I replaced the heatbrake and suddenly I can print MMU2 items. The old heatbrake had just a bit of roughness and that was causing the jams.

Publié : 03/11/2018 7:18 pm
PJR
 PJR
(@pjr)
Antient Member Moderator
Topic starter answered:
Re: Blockage troubleshooting.


Peter, I want to thank you for your post, it definitely helped. I have tried numerous things and have not been successful getting MMU2 prints without extruder jamming. Reading your issues around the Teflon tube, I disassembled my extruder for the third time and looked instead at the heatbrake itself. I replaced the heatbrake and suddenly I can print MMU2 items. The old heatbrake had just a bit of roughness and that was causing the jams.

You do know this is MMU1 troubleshooting? MMU2 is here: https://shop.prusa3d.com/forum/hardware-firmware-and-software-help-f56/mmu2-troubleshooting-t24123.html

But it does rather look as though this has helped you so that's great news 🙂

For the MMU2, I had not considered the heat break as a potential issue, mainly because all Mk3 printers have been shipped with the modified heat break and therefore it should not be a problem.

Thanks.

Peter

Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage…

Publié : 05/11/2018 2:57 pm
Kimframes
(@kimframes)
Active Member
Re: Blockage troubleshooting.

As a bit of a sidenote regarding Uncofil. It just seems to be a shit filament. All other filaments I have print just fine but Unicofil causes extrusion skipping and sometimes even blockage. I have tried adjusting flow rate, print speed, temperatures, feed rate etc. but nothing helps.

Publié : 18/11/2018 5:47 pm
andrew.w60
(@andrew-w60)
New Member
Re: Blockage troubleshooting.

hi ive just had my printer few montha and did this cube and is prob best print out ive seen my printer do ive tried to get the settings for it but kiss slicer to difficult would it be possible if u have the profile for cura what printed that cube been struggling alo to get mine to print was gob smacked of result printing this hopefuly you can help me thank you

Publié : 18/02/2019 11:49 am
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