How long have you had your UM2? Have you taken anything apart on it recently? Have you put sewing machine oil on the Z-shafts recently, or magnalube on the Z-screw?
Check the underside of your heated bed and see if the 4 screws holding the gold colored trap nut in place are tight.
It may also be worth removing your table cover and checking to make sure none of the 2.5mm head screws that hold your bearings in place have worked their way loose. You can remove the table cover by unscrewing the two heads on the left and right at the rear on the underside of the bed, and then pulling up on the table cover from the top with the bed raised.
It also looks like your lower bearing in the printhead isn't seated correctly--loosen the 4 thumbscrews and push the bearing back in place until it's seated in the printhead block and then retighten them.
Okay I think I did what you said. Everything is greased I adjusted the printhead and the bearings are tight.
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fbrc8-erin 263
How long have you had your UM2? Have you taken anything apart on it recently? Have you put sewing machine oil on the Z-shafts recently, or magnalube on the Z-screw?
Check the underside of your heated bed and see if the 4 screws holding the gold colored trap nut in place are tight.
It may also be worth removing your table cover and checking to make sure none of the 2.5mm head screws that hold your bearings in place have worked their way loose. You can remove the table cover by unscrewing the two heads on the left and right at the rear on the underside of the bed, and then pulling up on the table cover from the top with the bed raised.
It also looks like your lower bearing in the printhead isn't seated correctly--loosen the 4 thumbscrews and push the bearing back in place until it's seated in the printhead block and then retighten them.
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