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Front PTFE Length setting not working  

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inet22
(@inet22)
Eminent Member
Front PTFE Length setting not working

In setting up my MMU 3 on the Core One with a Coreboxx, I had a tough time laying-in the PTFE tube so that my tube and cable to the extruder would not get caught in the left rear corner between the motor and extruder. When I finally found a sweat spot, the PTFE length was a hair too long. I tried to adjust the new firmware setting "Front PTFE Length" to compensate for this, and the setting had no effect at all. No matter what I set the length too, it would not feed and more filament to the extruder. This appears to be a bug to me, unless I am doing something wrong. Has anyone had this issue?

Napsal : 10/07/2025 4:04 am
the big itchy
(@the-big-itchy)
Member
RE: Front PTFE Length setting not working

Same problem here too.  I recently mounted my MMU3 (firmware is 3.0.3, and 6.3.4 on the Core One) to the right side so I could feed through the standard ptfe tube, but no matter how I set the tube length in the Core One settings, the filament always stops short in the same place.  Since it doesn't trip the nextruder filament sensor, it just keeps loading and unloading the filament.

Napsal : 18/08/2025 5:12 am
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