After around 2 years experience printing on my Geeetech A30, I've come to realise majority of my prints are due to two things. Most predominant issue is the gap from nozzle to bed being wrong, and usually that is caused by the bed being out of alignment.

Auto bed leveling can help here, but a level bed will reduce wear on the machine and also 

It's a good idea to do a bed levelling for a ne…