Everything about belt tension for Prusa printers is covered in their documentation, ... go here and allow access to your device’s microphone. Then select a printer model and an axis to test.

Belts on a 3D printer should be tight enough, but not too tight. That can be an iffy thing to get right for someone who lacks familiarity with CNC platforms. Prusa Research aims to make it a bit ea… ...

Maintain Proper Belt Tension for Better Abrasive Performance: Have you over-tightened your belts? Improper belt tension can prematurely wear out sanding machines or damage workpieces.- May 2001 ...

The simplest such devices employ a spring-actuated idler (or bearing surface) that maintains tension by taking up slack. ... Can I use a tensioner on the backside of a belt? A: Yes.