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My first guess is you printed with only 1 or 2 perimeters. Try 3.
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I listened to your video. The Y axis sounds wrong, like something is broken. I would temporarily take the belt off the Y axis and listen to the motor as it moves without anything attached. If the motor sounds OK, I would then apply some tension to the motor using my fingers and see if it still sound…
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The next thing I would try in that situation is I would move the Z axis up and down repeatedly (using the control panel) and watch carefully for any kind of wobble anywhere. The movement should be very smooth. I would ensure all belts are tight (plucking them should sound a note in the bass range) a…
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First, I would use an oscilloscope to look for noise in the power supply and possible intermittent wire connections. Second, I would guess that the wire to the hotend heater is breaking and that the firmware is noticing the strange temperature fluctuations and shutting down to prevent a fire. If th…
