ok so i bought my first 3d printer just to try it out and maybe et into it and i love it so far havent had many issues. but a couple...the top layer of my prints always has holes? not sure y? and my prints are sticking to my bedso bad im destroying them just trying to get them off(i dont have a scraper but i hope to get one soon. im also using blue painters tape to get filament to stick to bed..works good) will have pics of the prints problems. any advice would be great...