Z position tops out after print or parking location
 
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Z position tops out after print or parking location  

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uBeVm3eVVguHz036
(@ubevm3evvguhz036)
New Member
Z position tops out after print or parking location

New to the MINI+ and just started printing some taller models. I've noticed that the print head attempts to park after a print is completed much higher than the z-axis can accommodate. I assumed there was a sensor at the top end of the z-axis that would cause the motor to stop, but the grinding that I just heard pretty much negates that possibility. 

I manually lowered the head a little bit through the screen. I then did a filament change before the next print. The first step it runs is to "park" the print head, and it does so by moving the z-axis up. It topped out again, grinding the motor for a few seconds and then finally stopped. 

This doesn't seem like normal behavior, hoping someone has some insight.

One note, the printer does successfully re-calibrate prior to the print as it moves to the bed, and all my prints have been fantastic!

Thanks

Stephen

Veröffentlicht : 20/07/2022 6:44 pm
fuchsr
(@fuchsr)
Famed Member
RE: Z position tops out after print or parking location

This doesn't seem like normal behavior, hoping someone has some insight.

This *is* normal behavior. The printer has no direct information where the print head is in space as you may have moved it manually. So it moves the Z-axis up, to be safe. When it hits the top, that stuttering behavior is normal and expected, no reason to be concerned. 

Veröffentlicht : 20/07/2022 6:53 pm
uBeVm3eVVguHz036
(@ubevm3evvguhz036)
New Member
Themenstarter answered:
RE: Z position tops out after print or parking location

Great, thank you for the response. At least that's some peace of mind that it's not going to ruin the printer. 

Veröffentlicht : 20/07/2022 7:09 pm
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