Second print height issues



  • Hi anyone experience the following?

    I have a P3Steel with Duet Wifi and IR sensor.

    After a successful first print, I find that my second print always starts +.6mm above the correct Z point (ie if layer is .2 the print starts at .8, and reads as such on console). If I reset the electronics it prints correctly. The g-code job is exactly the same job, the printer homes the Z correctly, and I've done the paper under the nozzle check, but I can not work out where the extra .6mm is coming from.



  • Do you have G92 Z0 anywhere other then homez.g or homeall.g?



  • I would also double-check if you have a config-override.g file with G31 gcodes in it. Those will override your G31 settings in config.g
    Had that happen to me before and ended up having to comment them out.



  • @Nylkos:

    Do you have G92 Z0 anywhere other then homez.g or homeall.g?

    Hi Nylkos, I don't have G92 in any of the home files,



  • @Sabagmn:

    I would also double-check if you have a config-override.g file with G31 gcodes in it. Those will override your G31 settings in config.g
    Had that happen to me before and ended up having to comment them out.

    Hi Sabagmn. not got any G31 in my config-override file.



  • Can you post the first 50 or so lines of the gcode file you are trying to print.


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