Suggestions for cleaning nozzle (& gears?) after using CF infused filaments
 
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Suggestions for cleaning nozzle (& gears?) after using CF infused filaments  

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Laura F Farrell
(@laura-f-farrell)
Estimable Member
Suggestions for cleaning nozzle (& gears?) after using CF infused filaments

Stupid question really, but has anybody figured out any good way to cleanse a nozzle after printing in carbon fibre infused filaments?

I just switched straight to PETG after printing in Prusament PP-CF and notice a residue on the next print which I think is CF fibres. I've also experienced something similar on other printers, its not just a Prusa thing. In the "old days" a good cleaning filament would do a good job of cleaning up abraisives, but is this still the best way?

I'd assume at some point its going to be all over the gears too, right?

Posted : 21/11/2025 8:14 pm
hyiger
(@hyiger)
Noble Member
RE: Suggestions for cleaning nozzle (& gears?) after using CF infused filaments

 

Posted by: @laura-f-farrell

Stupid question really, but has anybody figured out any good way to cleanse a nozzle after printing in carbon fibre infused filaments?

I just switched straight to PETG after printing in Prusament PP-CF and notice a residue on the next print which I think is CF fibres. I've also experienced something similar on other printers, its not just a Prusa thing. In the "old days" a good cleaning filament would do a good job of cleaning up abraisives, but is this still the best way?

I'd assume at some point its going to be all over the gears too, right?

I print a lot of CF. I use a separate nozzles for CF and "regular" materials. Otherwise I would just do several purges before starting the print. 

Posted : 21/11/2025 8:29 pm
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