Remove hardware and hinges that keep doors in place. Place hinges in plastic storage bags marked with the door and side of the kitchen it belongs to for better tracking.
Wash cabinet boxes and tops with a wet wash cloth and dry with a dry cloth.
Sand the surface of the cabinet top with 150-grit sandpaper. Vacuum away excess with a brush attachment on the vacuum cleaner and wipe clean with a damp washcloth.
Tape wall and ceiling surface around the cabinet top and place a drop cloth over the countertop and floor surfaces for spills. Prepare a paint tray with primer made for cabinet or wood surfaces.
Apply a thin coat of primer to the cabinet top and box using a small paint roller and brush. Allow the primer to dry overnight before proceeding.
Paint the cabinet top and box with the desired paint color and allow it to dry fully overnight.
Replace cabinet doors and hardware.