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Cannot run first layer test after firmware update  

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wknapp66
(@wknapp66)
New Member
Cannot run first layer test after firmware update

Just updated the firmware on my mk3s today and when recalibrating everything was okay until it got to the first layer calibration test.  It start to print the pattern and I cannot adjust a positive z value, negative works fine, but this is no help since I need the hot end to get closer not farther away from the bed.

The value will not adjust past 0.000

Frustrated.................

Posted : 27/02/2022 7:53 pm
Thomas
(@thomas-14)
Eminent Member
RE: Cannot run first layer test after firmware update

A more negative number means the nozzle gets closer to the bed…

Posted : 27/02/2022 7:58 pm
wknapp66
(@wknapp66)
New Member
Topic starter answered:
RE: Cannot run first layer test after firmware update

If that were the case then something is very wrong because if I adjust to more negative it appears to get even worse

Posted : 27/02/2022 8:00 pm
wknapp66
(@wknapp66)
New Member
Topic starter answered:
RE: Cannot run first layer test after firmware update

I am going to re-flash back to my previous and try again.  Something has definitely gone awry during the flash.

Posted : 27/02/2022 8:08 pm
Noel Henderson
(@noel-henderson)
Active Member
RE: Cannot run first layer test after firmware update

Negative is what you want. The objective is to reduce the gap between the nozzle and the print bed. The number is the distance in mm between the two. Zero is just a datum point in relation to the Pinda sensor to get you started.

Posted : 27/02/2022 8:21 pm
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