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Lunchbox
(@lunchbox)
Active Member
First layer issues

I have had my MK3 since January and its been great, but i have started seeing issues with my first layer. This is a single .2mm layer. Any ideas what would cause these gaps? you can see one side is fine, but the other isnt touching. my first layer height is set to -0.515.

Posted : 31/03/2018 8:39 pm
reid.b
(@reid-b)
Reputable Member
Re: First layer issues

When was the last time you calibrated the Z-Axis? Could just be one side is a bit higher than the other.

Posted : 31/03/2018 9:28 pm
Kwaad2
(@kwaad2)
Honorable Member
Re: First layer issues

I agree with Reid. You need to do the FULL Z calibration. I always use the "wizzard"... not sure to do only that.

Also, your live Z is too high. I see many more issues than just massive underextrusion on one side. 😉
Even the "good" side, is too "high".

Hi, I'm Sean. I used to work on CNC machines.
I try to not make mistakes, but the decision is YOURS.
Please feel free to donate to my filament/maintance fund.

Posted : 31/03/2018 9:33 pm
Lunchbox
(@lunchbox)
Active Member
Topic starter answered:
Re: First layer issues

I did a Z calibration right before this print. How is my z height too high? You would see the gaps across the print, not just in one corner if it was too high.

Posted : 31/03/2018 9:38 pm
Lunchbox
(@lunchbox)
Active Member
Topic starter answered:
Re: First layer issues

you guys were right, i ended up readjusting Z again and it is much better
https://shop.prusa3d.com/forum/prusa-i3-kit-building-calibrating-first-print-main-f6/life-adjust-z-my-way-t2981.html

Posted : 31/03/2018 11:02 pm
Kwaad2
(@kwaad2)
Honorable Member
Re: First layer issues


you guys were right, i ended up readjusting Z again and it is much better
https://shop.prusa3d.com/forum/prusa-i3-kit-building-calibrating-first-print-main-f6/life-adjust-z-my-way-t2981.html

Did you do the full "This will take 12 minutes" z calibration, or just the LiveZ?

Good to know you got it better though. 🙂

Hi, I'm Sean. I used to work on CNC machines.
I try to not make mistakes, but the decision is YOURS.
Please feel free to donate to my filament/maintance fund.

Posted : 31/03/2018 11:13 pm
Lunchbox
(@lunchbox)
Active Member
Topic starter answered:
Re: First layer issues



you guys were right, i ended up readjusting Z again and it is much better
https://shop.prusa3d.com/forum/prusa-i3-kit-building-calibrating-first-print-main-f6/life-adjust-z-my-way-t2981.html

Did you do the full "This will take 12 minutes" z calibration, or just the LiveZ?

Good to know you got it better though. 🙂

I did a full re-calibration. Multiple live Z adjusts. I think i finally have it back to normal again.

Posted : 01/04/2018 12:05 am
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