problems in the initial layers

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Luke
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Joined: March 6th, 2023, 12:16 pm
3D Printer(s): Lk5 pro

problems in the initial layers

Post by Luke »

Good morning all
I have a Longer lk5 pro and for a few weeks I have been experiencing some printing defects: the first layers develop malformations only on some edges of the print, that I can not fix by changing the temperature,cleaning the nozzle, changing the speed or adjusting the leveling of the bed. I also tried to change the filament with a new one, the result is the same.
Once the first layers have been printed the next layers are perfect. I attach photos:

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Luke
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Posts: 3
Joined: March 6th, 2023, 12:16 pm
3D Printer(s): Lk5 pro

Re: problems in the initial layers

Post by Luke »

WhatsApp Image 2023-03-06 at 18.34.27.jpeg
WhatsApp Image 2023-03-06 at 18.34.28.jpeg
WhatsApp Image 2023-03-06 at 18.35.51.jpeg
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LePaul
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Location: Bangor, Maine USA
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Re: problems in the initial layers

Post by LePaul »

Have you gone to the Teaching Tech Calibration site to dial in the esteps and the slicer flow settings?

https://teachingtechyt.github.io/calibration.html

At first glance it looks to me like you are over extruding a bit
Luke
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Joined: March 6th, 2023, 12:16 pm
3D Printer(s): Lk5 pro

Re: problems in the initial layers

Post by Luke »

Thanks for the suggestion, I'll try to follow the guide you linked to me.
In any case, if it is an overextrusion problem, shouldn't it occur on all layers?
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LePaul
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Re: problems in the initial layers

Post by LePaul »

That's a good point It could also be that the better layers are when the fan is on
I always start with temp towers, flow rate and retraction tests for my materials
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