how to scan photos and pictures to print them in large format

I frequently get questions about how to properly scan photos, drawings, old pictures, postcards, etc. in order to print them large format. It's such a fun and easy way to create custom art meaningful to you, and usually quite affordable, as well! Above is a huge (40" x 40") print I had made of a drawing Vivi created. I still have to frame it, but can't wait to have it finished out and hung. It's really pretty simple. Just scan your image in at least 600 dpi. This printer/scanner is the new ve...