1. All metal Hot End 2. Bi Metalic Heat Break 3. Update Marlin Software Set Temp 15 degrees higher than what is desired. Not Wise as that one will most likely kill the GUI. For a higher temp machine use an ender 3. Kobra All Metal Hotend Video Hotend Replacement	Successfully printing in polycarbonate requires a hot end that reaches temperatures of 290 to 315 degrees Celsius. Your print bed temperature must be able to reach 140 to 145 degrees Celsius. Successfully printing in polycarbonate  requires a hot end that reaches temperatures of 290 to 315 degrees Celsius.  Your print bed temperature must be able to reach 140 to 145 degrees Celsius. The hot end can achieve temperatures of up to 260 °C and 110 °C on the print bed. 260-310 Extruder 80-120 Bed			Ebay Machines New Used

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