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Posted · Printer prints in mid-air after Cura 5.8 update

I've been printing perfectly fine with Cura 5.5 for many months. Didn't change a single thing other than I just installed Cura 5.8, and now all my prints print in mid-air, about an inch and a half from the print bed. What happened? Even if I go back to Cura 5.5, which is still installed, same problem. I'm using a Snapmaker J1. Snapmaker J1 is still selected in the upper-left, in Cura.
 

Also, I don't think I some of the new features that were added?  For example, next to "Z Seam Alignment", I see "sharpest corner". That's not new is it?  I see that in both Cura 5.5 and 5.8, but I don't see "Seam on Vertex", which I was hoping to try. Or was it renamed?  

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    Posted · Printer prints in mid-air after Cura 5.8 update

    If you could post a project file (.3mf, get something set up and go to File > Save Project) and the output gcode file from that project it would really help, and if you could also slice it in 5.5 and include the gcode from that, even better. For a technical thing like this a description generally isn't enough to have any idea where to start. Also since I don't think Cura comes with a profile for the Snapmaker J1 if you added a custom definition you'll need to give us the files for that so we can open the project, or if you just took an existing printer and modified the settings, then it will be alright.

     

    Installing the 5.8 beta (beta meaning "warning: bugs may be here") shouldn't affect the 5.5 installation at all - when a newer version of Cura is opened it makes a copy of the configuration folder from the most recent older version installed, upgrading the files if necessary in the process, but changes are never pushed backwards - once you first launch 5.8 and it's generated its configuration folder, the configuration for 5.5 and 5.8 are entirely separate.

     

    The fact that it still happens if you go back to 5.5 suggests a setting on the printer may have been changed - I don't know Snapmaker printers in the slightest but the two main settings which might affect this would be the home offset (which you often don't have access to in the printer, you need to manually send it gcode) or the Z offset (which you almost always can change).

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    Posted · Printer prints in mid-air after Cura 5.8 update

    Thanks for the help, guys. Good information.

     

    I decided I didn't want to spend much time troubleshooting and just felt like starting from scratch anyway... so I uninstalled all version of Cura, then deleted the Local and Roaming Cura folders, then factory reset my printer, and recalibrated. Everything works perfect again. No clue what happened, but no big deal I guess!

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