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Y-axis slam into rear
I've just finished assembling the MK3s and started calibrating it. Everything went fine up until the Z-axis calibration. The first time it ran fine, although it seemed to under extrude. I ran it again and this time the Y-axis moves backwards and slams into the rear rather violently and proceeds to do test points - after which it says it has detected a crash.. and continues?!
After this it will no longer properly calibrate XYZ and it seems to forget the travel distance for the Y-axis. It moves too far in both directions, and in the direction facing the LCD I can see the U-clamp bending!
Any ideas why this is happening or how I can fix it?
Posted : 21/01/2020 1:39 pm