Prints started to get all wonky about a week ago. I couldn’t figure out the problem. Changed the nozzle, tighten the belts, lubed the z screws, and cleaned the carbon fiber rods. Disassembled the extruder and I didn’t see any clogging, but when I disassembled the hall sensor, I noticed a lot of wear. Then I found a piece of metal inside the extruder that I suspect broke off from the hall sensor somehow. A new extruder arrived yesterday and the X1C is printing like a champ again.
I had the same basic experience with the hot end on my Prusa MK3S recently. Naturally it loves to kick the bucket anytime I’m making a gift for someone on it and not when I’m printing something unimportant.
Yeah, I need to have a bunch of spare parts available. Since Bambu’s warehouse is on the west coast, it takes a week to get to me on the east coast.
I had spares too, but it still sucks to have a print fail 35 hours into a 37 hour job, especially when you’re on a deadline.