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It looks like it's drifting in only X or Y. Can you confirm which axis? Was it left/right or was it front/back? The drifting axis is the one you need to fix. Tighten the HELL out of the pulleys. There is a little set screw inside each pulley. There either 5 or 6 pulleys on each axis. Tighten them all but mostly tighten the two pulleys on the short belt that goes to the motor. Those are usually the ones that have a problem as those 2 have twice the torque placed on them. If you use that little L shaped wrench it should hurt your fingers. You should be scared of breaking something. The tool should almost twist a bit. REALLY TIGHT.
I've re-tightened all the pulleys but the farther most pulley on the right side had loosened itself quite a bit. I tightened it and I've seen a lot more model coherence since then.
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gr5 2,225
It looks like it's drifting in only X or Y. Can you confirm which axis? Was it left/right or was it front/back? The drifting axis is the one you need to fix. Tighten the HELL out of the pulleys. There is a little set screw inside each pulley. There either 5 or 6 pulleys on each axis. Tighten them all but mostly tighten the two pulleys on the short belt that goes to the motor. Those are usually the ones that have a problem as those 2 have twice the torque placed on them. If you use that little L shaped wrench it should hurt your fingers. You should be scared of breaking something. The tool should almost twist a bit. REALLY TIGHT.
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