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Editing Step 27 —

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Direct links to the original Prusa electronics assembly guides: MK3 (B3/R2 design), MK3 (B7/R3 design), MK3S.

Gather the cables from the PSU (including Power Panic), the Y motor, and the Z motor from the PSU side (do not include the Z motor cable from the X motor side).

Add zip ties to group the cables as shown on the image. Do not tighten the zip ties yet as you may need to adjust the position of some cables later.

Verify that no wire is under tension.

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