seemed to work on small objects .. i then printed out a bottle seemed ok ... i then tried to print out a more complex stl an all hell broke loose , once again it was hitting the model , shuttering an a loud bang noise , it was so violent the whole machine was jumping ... it lifted the platform an dropped it down the started to print everything 3 -4mm away from where it was suppose to be ... I stopped the print immediately . when i was taking off the perfboard I noticed the bed was slightly rocking front right hand corner an back left hand corner .. I looked at the bolts holding the heat bed to the arm an tired to make sure they were secure , the front bolt was just going round an round an would not tighten at all .. so i took the heat bed off , at that point i noticed the arm itself was also moving up and down about up to 4 mm , I sent a email to the support company here is Australia yesterday but have still to hear back from them.
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