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  1. #1

    bottom layers problem

    Hi,I have problem with my prints on my ender 3 pro. I didnt find any common issue on internet so I posting it here. Hope you will help me to find solution. As you can see on photo, I have problems with few bottom layers. Any idae what I am doing wrong?filament PETG, 220/70°C, glass bed, 0.4mm nozzle, 0.2mm layers, cura slicer
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  2. #2
    Student 3dpp's Avatar
    Join Date
    Apr 2022
    Location
    Ontario, Canada
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    13
    Is there any elephants foot compensation enabled? Have you always used the printer in its current state or have you recently done an upgrade? It almost looks like z banding, but I dont think thats what it is.

  3. #3
    Student 3dpp's Avatar
    Join Date
    Apr 2022
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    Ontario, Canada
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    13
    I wpuld also check the z axis coupling, and make sure everything is square and tightened up. Check the movement on the first 10 layers with a dry run, and you could also look for any weird layer settings for extrusion.

  4. #4
    thank you for your answer.Printer is in same state as it was. I didnt have these kind of problem when I use PLA. This problem only happens when I use PETG. I didnt use elephants foot settings but when I did it was with the same problem..

  5. #5
    Student
    Join Date
    Jul 2022
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    39.03,-104.66
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    I think I have a similar problem. I placed a straight edge across my plate an there was light under it at the center - A couple of thousandth. When I did the paper strip under the extruder at the center my 1st (2d, 3d) layer came out perfect. Of course the extruder scraped at the corners.

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