Bed leveling is the most important thing that operator has to do prior to start a printing. Well-leveled bed helps to return a nicely finished 3D model. For this purpose, you have to follow bellow steps.

1. Tide the screws of the printing platform
2. Set the printer to the home position
3. Disable stepper motors
4. Bring the gap between head and the bed into 4 gage (standard A4 sheet gap) while turning screws of the printing platform

Note: please check whether the bed is levelled prior to each print job.