The same procedure can be applied to printer output. Using the variations feature in Photoshop is a great basic way to adjust the color and density of an image. This can be found under Image , Adjust , Variations . There are more advanced methods for tonal adjustment that can be found in the Image , Adjust menu selection. Try exploring the Levels and Color Balance options.
Variations offers a visual ring around with color and density.
Use the Clone tool in Photoshop to remove dust and scratches. You can control the size of the brush to customize the area of correction. To select a copy from area select this tool and hold down the option key and click. Then move to the area that requires the correction and click to apply. TIFF , PICT , and JPEG are very common digital file formats.