Prepare
Dismantle, degrease, sand
Take the drawers out, unscrew handles and hinges, lift out the shelves: every part paints flat and separately. Wash with degreaser to remove wax, polish and finger marks, rinse. Sand with 180 grit to dull a varnish, 120 for bare wood, and dust off carefully, edges included.
Bare wood, knotty pine or melamine gets our Multi-Surface Primer first, in the tone matched to the colour: it blocks the tannins in pine and makes paint grip laminate. Fill chips with wood filler and sand again.