I was wondering if anyone had a guide to print ditigal photos i.e. 1600x1200 resolution converted to inches? I understand 300 dpi is the prefered dpi to use but I heard you might be able to squeak by at 240 dpi? Is it just resolution divided by dpi ? 1600/1200 divided by 240 dpi = a 6.7 x 5 print?