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switching from resistor to heater cartridge (14 replies)

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Hey guys I know very little about this and have not found any solid info yet but I'm switching out the resistor that j head uses and trying one of the 12v 40w ceramic heaters.

I'm not sure if my original extruding problem was related to my resistor but if not it couldnt be helping the issue i can't ever seem to crimp the connectors properly on the resistors and soldering seems to not last due to heat range so I figured out the ceramic heater would make things a lot easier with wiring up.

Will there be anything I have to change in the firmware or hardware with this ? I'm using ramps 1.4 and power supply from old HP computer

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