H2.5 screwdriver
M4 × 8 screw
M4 × 14 screw (The illustration is highlighted in yellow.)
This guide takes 3D printing of 350 models as a demonstration, all steps demonstrated apply to 250 models.
Make sure both ends of the Linear Module are in horizontal alignment with each other throughout the process.
Use the original M4 × 8 screws that came with the machine.