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Note, the DSE ONLY kit contains one extruder feeder, NEMA 17 stepper motor and stepper driver.
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It assumes that you will be using your original extruder, motor and driver.
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The type of extruder you use doesn't matter as long as it can be converted for bowden style use. Marlin firmware will be able to configure each individually.
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Fix the backplate to the motor with an M3 x 6mm bolt
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Fix the drive gear onto the shaft of the motor.
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Tighten the set screw onto the flat of the motors shaft.
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Make sure the drive gear is aligned with the filament path holes on the backplate like shown in the second image.
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Take the Idler arm, Spring and M3x16mm bolt.
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Place in position the Extruder Spring on the Back Plate.
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Compress the spring with the Idler Arm as shown in the second image.
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Drop in a M3 x 16mm bolt like shown in the third image.
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Tighten down the bolt.
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Do not over tighten, the arm should still be able to pivot.
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Remove three of the four bolts form the rear of the motor.
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Depending on your mounting solution use three longer bolts to mount the extruder to your frame.
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