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Dual Extruder - random M104 Commands

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Hi Team! new to the forum, using Cura for a while.

Recently did a dual extruder upgrade - no matter how i seem to slice the file i am getting Gcode with random M104 commands to change the temperature throughout the print which is really screwing things up. For the life of me i cannot figure out where in my settings i am telling the temperature to change.

Trying to do a calibration cube (2 color)

loaded both models

assigned an extruder to each

merged the models

went through the settings for both extruders to make sure they are identical - and i get garbage Gcode (attached).

i have also tried merging then undoing to allow to control the "per model settings". same result

Tried on 3.4.1 and 3.3.1 same result which leads me to think its me!


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Please keep in mind your printer has two extruders and each of them has the temperature settings. If you want to set everything to the same temperature (maybe it's good to have the standby temperature a bit lower in order to avoid oozing?), don't forget the second extruder.

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