Most client degree printers that accept RGB information robotically convert the pictures to CMYK which can result in light, dull or inaccurate shade representation, so converting your file to CMYK first gives you better control over the ultimate image outcome. While the size of an image - how many pixels it is each in width and peak - might sound like your finest indicator, when it comes time to add your file for printing, the DPI will probably be the largest consider how huge you can print you...