CoreXYU - Print issues with Right extruder

selva_tvi

Hi all, we are using CoreXYU (CoreXY IDEX) structure. When manually moving, all the axes are independently moving without any issues.

When printing with Left extruder, it is printing as expected.

But when printing with the Right extruder, it is giving issues. After G29, the axis moves towards the Y end-stop and tries to crash the axis.

Then the Right extruder comes to the position and tries to print.

Please find the attached config.g and the Cube-Right.gcode. We are already having a Prusa style IDEX, in which the above gcode works without any issues.

Only in CoreXYU we are facing the issues.

config.g

Cube-Right.gcode

Thanks in advance.

Phaedrux

Can you share your tool change files as well?

In your config.g it looks like your U axis values are just tagged onto the end of the existing commands.

M906 X800 Y800 Z800 E800:800 I30 U800
M208 X250 Y300 Z300 S0 U271

I'm not sure how that will work when they come after other terms like I30 and S0, etc. I suggest your move the U values to be next to the other axis values.

You should also send the gcode by itself to see what it reports back, for instance M906, M208, M350, M92, etc. just to make sure it is actually taking the U axis values you are setting.

You can also send M98 P"config.g" in the console to check for some syntax errors.

;FLAVOR:Marlin

Your gcode flavor in cura is set to marlin. You should change that to RepRapFirmware.