Using the correct succession of sand-paper that is gritted can make sanding a fairly easy procedure is framed by a door. Begin using a coarser paper to eliminate big imperfections rapidly and progress to buff out scratches that are smaller also to make the area smooth. The whole task may take several hours, with respect to the follow up function you plan to do. While staining needs the existence of wood of any scratches repainting an area might need only an easy sanding of the aged shiny finish.
Lay down a drop cloth across the workshop or newspaper. Put on a respirator or breathing apparatus while sanding to avoid inhaling particles.
Sand the door-frame with medium-grade (80 120 grit) sandpaper until the paint is eliminated, deep scratches are gone or the door opens and closes effortlessly on the the inside part of the body, if the door was sticking. In the event the body is fairly easy, begin with 100-grit.
Sand the doorframe with good-grade (150-180-grit) sandpaper to eliminate scratches produced by the medium-grit sandpaper.
Sand with extremely good-grade (220-240-grit) sandpaper to produce a sleek finish on the wood-frame.
Wipe the wood-frame using a tack cloth to remove all dirt.