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jonjude

CURA start.gcode - meaning of Z0.0

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Posted · CURA start.gcode - meaning of Z0.0

Hi - this one may have better success in this form rather that Troubleshooting ...

It's about Z calibration and prints that seem to begin too far away from the print-plate.

When I look at the start.gcode added by Cura to GCode, I see the explanation :

" .....

; if your prints start too high, try changing the Z0.0 below

; to Z1.0 - the number after the Z is the actual, physical

; height of the nozzle in mm.

.......

G1 Z0.0 F{max_z_speed} "

But if I put Z to be a positive number it'll increase the distance between nozzle and print plate, no ?

Can some explain please ? How does a +ve value reduce nozzle-printplate gap ?

Salutations

JonJude

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Posted · CURA start.gcode - meaning of Z0.0

There's not a G92 code followed by a Z0 is there?

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Posted · CURA start.gcode - meaning of Z0.0

Hi,

Yes, indeed there is a G92 ... of the form

...

G92 X0 Y0 Z0 E0 ;reset software position to front/left/z=0.0

...

I'm so far using the standard unmodified start.gcode that comes with cura ootb.

Regards,

JonJude

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