How to Fix Z-Axis Falling - Ender 3 - 3D Printerly


  1. This article caused me a lot of time and head ache trying to fix a problem that didn’t exist. When the stepper motors are not engaged you want the Z axis to able to move easily. This might include you barely touching it and it falls. If you over tighten the eccentric nuts by even a little the prints are going to become really screwed up especially at the base because you won’t be able to Z-Hop fast enough.

    When the stepper motors are engaged, the print won’t fall. Looser is better than tighter.

    1. Sorry that you ran into issues from this. In the article, it says to tighten the eccentric nuts if they are freely spinning, but not necessarily to have them tight. I’ll edit this for clarity.

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