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Align the set screw of the hobbed drive roller with the flat of the stepper motor shaft and install the hobbed drive roller on the stepper motor. Use the existing stepper motor for comparison of placement.

Install the extruder motor assemblies on the extruder plate. Fasten using (2) 6-32 machine screws and nylon lock-nuts for each extruder.

Install the stepper motors on the extruders using (4) M3 screws each. Note that the original extruder stepper motor should be fastened to the T0 extruder (laser etched on extruder plate).

Fully tighten all screws.

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