Required Supplies:
Formlabs:
- Replacement Form Cure motor assembly
Third-party:
- 2.0 mm hex key
- 2.5 mm hex key
- Nitrile gloves
The Form Cure motor assembly includes the motor and the connecting cable. If the motor assembly malfunctions, the turntable may rotate indefinitely, stop rotation, or vibrate. Replace the motor assembly to restore proper functionality.
Use this guide to replace the Form Cure motor assembly.

Required Supplies:
Formlabs:
Third-party:
Estimated time: 10 minutes
Preparing the workspace
Overview: Prepare the Form Cure and a level workspace for replacing the turntable motor.
CAUTION:
Wear gloves when handling parts and surfaces that have come into contact with solvents or liquid resin.
Step 1: Disconnect from power
Disconnect the Form Cure from its power source.
Step 2: Move the unit
Move the unit to a well-ventilated area. Set the unit and the replacement display assembly on a level surface for easy access.
Step 3: Open the cover
Lift the cover. Allow the cover to rest on top of the unit.
Step 4: Remove the turntable and coupling



Remove the turntable. To remove the coupling, twist the disc to the left and pull up.
Set aside the turntable and coupling for reassembly.
Removing the bottom plate
Overview: Close the cover and turn the unit over to rest on its top. Unscrew the outer screws in the bottom plate to remove it.
Step 1: Turn the unit over
Close the cover and turn the unit over so that it rests on its top and the bottom plate faces up.
Step 2: Remove the outer screws
Turn the 2.5 mm hex key counterclockwise to remove the eight screws around the bottom plate edge. There are two screws along the top edge, three screws on the left edge, and three screws on the right edge. Set aside the bottom plate and the eight screws for reassembly.

NOTICE:
Do not remove the two screws in the center of the bottom plate. The center screws secure the base assembly.
Replacing the motor assembly
Overview: Remove the four screws securing the motor assembly. Disconnect the cable from the assembly and the motherboard. Connect the cable to the new motor assembly and the motherboard, then secure the assembly to the base.
Step 1: Rotate the unit
Turn the unit onto its back so that the display faces up.
Open the cover to expose the motor screws inside the unit.
Turn the 2.0 mm hex key counterclockwise to remove the four screws that secure the motor assembly to the base.
Set aside the motor screws for reassembly.

Turn the unit over so that the base faces up.
Pull towards you to remove the damaged motor assembly.

Disconnect the motor cable from the back of the damaged motor assembly.
Connect the motor cable to the new motor assembly. Ensure the cable connector is fully seated.

Push evenly to slide the new motor assembly into the slot in the base.
Hold the motor in place with one hand. Turn the 2.0 mm hex key clockwise to tighten the four screws and secure the motor assembly to the base.

Reassembling the unit
Overview: Reinstall the bottom plate. Stand the unit upright to reinstall the coupling and turntable.
Place the bottom plate on the unit with the feet pointing upward. Insert the eight screws along the edges of the bottom plate. Turn the 2.5 mm hex key clockwise to tighten all eight screws until they are finger-tight.
Return the unit to the upright position.

Lift the cover. Allow the cover to rest on top of the unit.
Insert the coupling, twist it to the right, and push down. Gently place the turntable onto the coupling. Close the cover.

Finalizing the repair
Overview: After installing the replacement motor, power on the unit and perform final checks.
Step 1: Power on the Form Cure
Connect the Form Cure to power. It should show the startup screen.
Step 2: Test the turntable motor
Rotate the knob to the Start option and press the knob to select it. This activates the cure cycle and confirms that the motor responds. Contact Formlabs Support or your authorized reseller to share the results of the procedure.