Brush in rapid strokes with the grain of the wood. To dispose of the last of the old paint, apply another wash of solvent. Use a squeegee to speed up the final process. Dry the section with a paper towel. If paint still remains, repeat the last two steps until all the paint is removed.
Strip trim pieces in gutter.
Make sure the end caps are soldered on so that they do not leak. Put the trim pieces in the gutters, and pour some non-flammable liquid stripper into each. After watching the stripper eat through the paint, lift the piece up, and use your scraper to remove the paint. Submerge the piece again in the gutter. Use the brass bristle brush to remove remaining paint.