Repair workspace

CoreXY Belt Tension and Balance

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Start with verify routing against official diagram, then inspect idlers and belt tracking. Confirm the result with a short representative test before changing additional settings.

Motion & MechanicsModerate12 min

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Ordered repair sequence

Step 1

Document the failure and confirm that it matches this guide: Diagonal artifacts, skew, noise, or unequal belt tones appear on a CoreXY printer.

Step 2

Return extreme overrides to a known printer, nozzle, material, and slicer profile so the diagnosis starts from a stable baseline.

Step 3

Check unequal belt tension. Verify routing against official diagram.

Step 4

Check incorrect belt routing. Inspect idlers and belt tracking.

Step 5

Inspect idler friction or misalignment. Balance tension conservatively.

Step 6

Rule out pulley fastener loose. Run square and diagonal tests.

Step 7

Change only the single setting or hardware condition supported by the evidence, then run a small test that reproduces the original failure.

Step 8

Compare the test against the target condition, record the successful value, and save it in a printer/material profile before repeating the full print.

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