I have a Prusa Clone which worked fine for a few weeks. It now heats to the right temperature on both the bed and the extruder and if I don't initiate printing it will stay at that temperature for as long as I leave it. As soon as I instruct the printer to print the roadrunneremails.net extruder switches off. The bed remains at the correct temperature without a problem. I have swapped the extruder with a new one and got exactly the same result. Any suggestions welcomed!
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Extruder switches off the instant the print is started
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