this post was submitted on 21 Oct 2023
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My probe hits my z endstop, so similar idea. I preheat my probe and manually wipe it before I home. Any ooze doesn't really make a difference in first layer. At some point I'll print a purge bucket and nozzle brush...
My endstop is just a metal rod, but since it's cold filament doesn't stick to it. If I were probing my bed I would probably want a hot nozzle and cold bed.
Cold bed can be a problem sometimes due to the bed warping with temperature. I myself always probe with the bed at printing temperature for this reason