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[Sticky] Ender 3 Weird lines in the print at specific heights


sisirdayal@gmail.com
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I recently upgraded my ender 3 printer with all metal extruder and upgraded my mainboard from 4.2.2 to 4.2.7 silent board. Also i added CR touch for auto bed leveling.

Before these upgrades the prints were coming out fine. But after all these upgrades I printed the xyz calibration cube and it came out with weird lines in the print like in the attached image.

Looks like there are 2 issues. One at the top where it looks like it has under extruded and the other at the bottom where it has some weird line. Also these line appears at the same exact height and I tried printing the same cube multiple times and the result is the same. Need help in figuring out what this issue is, why it is occurring and how do I fix it.

Thanks in advance...

 


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Chry-1986
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I had same problem with CR touch and Z axis extension ... your bottom looks like over extrusion / layer shift (?) Above you just have a lack of material all around the perimeter it's not just under extrusion .... try with format slow the sd

With CR touch I have problems with Z offset ... or the first layer comes out well and the second bad leading me to have pieces dimensionally wrong or the first layer is lousy and the second is perfect

Can you see in the picture on right I have your same problems for the top of cube

This post was modified 3 weeks ago by Chry-1986

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maksromanov2020
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