Failed to nest hotend into slot 1 on the rack

It had been printing great for a week, then all of a sudden it won’t nest the nozzle and I can’t print anything. Did a Support Ticket and Bambu tells me to do a calibration, which requires me to print these calibration blocks…with a printer…that won’t print. You would think that we might get better than that with a $3000 machine.

I think they meant the hot end rack calibration. The one where it bumps the rack on the bottom of the toolhead.

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So, Bambu told me to swap #1 and #2 Hotend Dock Assy. I did this and had the same result.