Record these density readings as your aim density. Write the aim densities on this print, and keep it to use as your aim. Adjust your paper under and over slopes to match your aim. This technology assures that the papers will render accurate skin tones that are representative of customers around the world. The differences between consumer and professional papers are based on the expectations and needs of the different customer groups.
Professionals tailor their paper choice to their own customers' specific needs.
Color papers, like all sensitized photographic products, will shift in color and density over an extended time. Keep safelight exposure as short as possible. A balancing change may be necessary to compensate for speed changes in paper held at room temperature for longer times. Always keep film negatives and the optical system of the printing equipment clean. Mask negatives to eliminate stray light when necessary.