General description The For 3 Dual Z Upgrade Kit is designed to enhance the performance of your 3D printer by converting it to a Dual Z mode. This upgrade is easy to assemble with no welding or modifications required, making it a cost-effective solution for improving print stability and accuracy. The kit includes a high-quality all-aluminum coupling and an original 42-34 stepper motor, ensuring smooth operation and reduced vibration during printing. Technical specifications Stepper motor: Original 42-34 Material: Metal + Plastic Color: As shown Measurement allowed error: +/- 1-3 cm Installation Turn off the printer and unplug the power cord. Remove the power supply using a hex wrench to unscrew the two screws. Install the coupler on the stepper motor and tighten the screws. Fix the motor on the aluminum profile using hexagon socket screws and the Z Axis Motor bracket. Remove all screws from the sheet metal pulley on the right side of the X. Fix the Z-sheet metal with long screws and