Cold printer rams bed into nozzle due to leftover ooze

I've had this happen several times now and I am wondering if the correct solution is to just heat the nozzle prior to zeroing the axis or if I just need to move my BLTouch further down. My current Z-offset is 0.47. Is that too little?
3 Replies
quickest-silver
quickest-silver2y ago
If your bltouch probe is so close when triggering that a small amount of filament on the nozzle tip is extending beyond it, the bltouch is too far up. Add a couple of washers to get it down by 1mm or so for safe trigger distance.
Krocostimpy
Krocostimpy2y ago
That does sound like the best option
ptegler
ptegler2y ago
At rest (BLtouch pin retracted) should be 2-3mm above bed with nozzle touching the bed check your BLT docs
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