What resolution should I scan at for the best print quality?

• The Line Screen Frequency for EPSON Stylus printers can be calculated using the following formula: Printing Resolution ____________ 3 X 1 ___ 2 = Line Screen Frequency You should set the minimum scan resolution at 1/3rd of the desired print resolution. For example, for a print resolution of 720dpi, you will need to set the scan resolution to 240dpi or higher. If you are going to increase the size of the printed image then you should scan at a higher dpi resolution.