This can end up causing the entire print to come off the bed later on in the printing process, it could completely misalign the print. If the space between the bed and nozzle is too small, you will find that you will get filament building up around the surface of the nozzle. Symptoms of Bad Bed Levelling Plastic builds up around the head after printing There will be a lot of different times where re-levelling the print bed is needed throughout the course of your 3D printers usage, so don't feel like you're having to re-adjust the bed levelling too many times.
A lot of the high-end 3D printers feature automatic bed levelling, however, the cheaper/older 3D printers may not feature it. It's one of the first things that you should do when you buy a 3D printer and definitely one of the first things you should look at if you are having trouble with your prints. Bed levelling is a key aspect of making sure that you have a successful print.
