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joelmongeon

Is there a minimum temperature?

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I have a sample of some new wax filament from www.machineablewax.com I'm really excited to try out.

After a few months of not using my printer I fired it up and tried to print a test cube and nothing came out of the nozzle.

The recommended temp for the wax filament is 140C with a bed temp of 70C. I set this up as a filament profile and the extruder motor never turned.

I then set the material setting back to PLA (210C) and tried printing the same file without the wax filament in the bowden tube and the extruder motor started to move again.

This makes me think that there might be a failsafe somewhere that won't let me extrude below a certain temperature. Is this the case? Everything else seems to be working just fine on my UM2. During my exploration I even reset to factory default settings. Nothing helped if my temperature was set to 140C which is what I need for the wax to print and not burn.

Any thoughts?

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