Editing Step 2 —
Align the X-axis gantry

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Loosen the Y-rail carriage screws slightly

Adjust the belt tensioning screws in order to equalize the gap on both sides

If you loosen the belt tensioning screw, the gantry will move forward, closing the gap

If you tighten the belt tensioning screw, the gantry will move back, enlarging the gap

Adjust both belt tensioning screws until the gap is equal on both sides and the gantry sits flush on the front plates

Squeeze the XY-Joiner against the front plate to feel if there is any play. While squeezing there shouldn't be any play, keep adjusting the belt tensioning screws until there is no gap on either side.

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