1. The first layer issues.

2. Printing not stick to the platform.

3.Edge warping problem.

4.Inconsistent extrusion & How to fix ender extrusion.

5. Stringing and Oozing

6. Circles are not round

7. Layers shifting & Misaligned Layers

8. Layers missing or Skipped Layers

X belt tension adjustment

Y belt tension adjustment

Bed Leveling adjustment

Z offset adjustment

Proximity Switch Height Adjustment