40 mm Fan Voltage:24 V USB Port enabling users to

USB Port enabling users to print files stored on flash drives

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and carriages purchased independently of rails may not have the same fit as a paired rail and carriage

Maximum Extruding Temperature 40 W heater and thermistor rated to 300 °C

If you're planning to create complex objects requiring soluble support structures

40 mm Fan Voltage:24 V USB Port enabling users toThis fan is the smaller of the two fans mounted in front of the extruder and is also used inside the electronics case. These fans have a keyed connector, guarding against incorrect plug in. All fans should be kept free of dust buildup to prevent failure. *M2 3D printers purchased in November 2015 or earlier require the 12 volt version of the 40 mm fanplease be sure to select the proper voltage based on your date of purchase. If you are unsure which