⬢For this chapter, please prepare:
⬢T10 Torx key (screwdriver)
⬢2.5mm Allen key
You don't need to change the belt clamp if you have an Original Prusa XL shipped from June 2024.
You can skip to this step.
Loosen the M3 screw holding the left CoreXY tensioner, approximately 4 full turns. Do not remove the screw completely.
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