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Better pulleys influencing belts?

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If the belts are in contact with either flange on the pulley, your pulley placement is wrong. The belt position is set by the XY blocks, and the pulley needs to match this.

Loosen one pulley, push slightly in the direction that would separate the belt and flange, tighten slightly, then run the print head back and forth on that axis and re check for a centered belt.


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