Even if your cabinets are in around-great problem, you still really need to sand them so the paint will adhere. Use sandpaper in the middle of the spectrum (one hundred fifty or two hundred grit is good) and just give the entire surfaces A fast buffing. Image by Kolin Smith http://cabinet-painters-charlott31952.blogstival.com/20254723/repaint-kitchen-cabinets-an-overview