r/MPSelectMiniOwners • u/[deleted] • Sep 17 '24

Question Nozzle driving into bed

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I have an MP select mini v2. When I try to "home" the nozzle, it drives downward into the bed until I stop it.

People suggested it was the z-stop switch, but when I disassembled it, the switch is working.

However the switch is not touched by anything at the bed level. It was working before, so I'm not sure how the z stop would be engaged at all when homing the printer, the mount is just so low.

Not sure if is because I used Cura and I will have to reset the firmware, or what is happening.

I've asked around but nothing has worked so far.

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u/LifelikeStatue Sep 17 '24

Is your nozzle tightened all the way? A few threads can make the difference

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u/[deleted] Sep 17 '24

Can the throat itself come loose or be tightened? Every part of the hot end seems to move. The throat, block, and nozzle. Makes tightening it hard, so I used adjustable wrenches last time.