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So I run a repair shop in Altamonte Springs, FL - Got a weird one that searching the internet only turned up 1 other instance of it happening, so I wanted to post some details on the repair in case someone else runs into it or in case Creality doesn't admit that it's a thing.

Creality K1 Max - Symptoms: Unable to finish initial calibration. X and Y Axis moving twice as far as commanded, auto leveling absolutely destroying the build plate.

Initial steps in fixing this were to replace the main board. Creality shipped some of these printers with some interference around the main board which could have screwed up the drivers. Many references to this across the internet.

After replacing the main board, it still would not get past the input shaping setup, so the next thing to replace was the toolhead board on the K1. It seems the accelerometer on this one was either A: Damaged by the customer in their attempts to fix, or B: Faulty from the get-go.

Aft