Just found similar topic: Z-homing failed due to bed position Seems to be a plate issue? - #8 by JoshBear and I see one bearing sleeve is out of position. Thanks to that topic I followed the instruction from it:
Just closing this off. If anyone else has he same issue with the bearing moving up from the plate. The solution is to turn the printer upside down. Use the pully wheels on the base of the printer to move the bed all the way to the top and then press on the plastic around the bearing. It then clicks into place.
Just to clarify: top position means top position of the printer in normal state, so move the bed down up to the end, then press down the plastic around the bearing, then move the bed down again, and press again… 3 times.
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