The Fusion3 F410 3D printer has an automatic bed leveling process to ensure that on a day-to-day, basis the bed is level and you will get a great first layer, which is integral to the printer’s performance. About once a month, you may to run through our step-by-step manual bed level macro to check the bed to ensure that the corners of the bed are at the same level as the center of the bed. This process is very easy and is done using the supplied feeler gauge and the thumbscrews below each corner of the print bed.