I have a black-and-white diagram (floor plans) scanned from a printout. It's mostly OK, but some of the lines are visibly faded or blurred in places, so it "looks" scanned. I've tried various options ...
My friend is an illustrator and has lot of sketches that she wants to digitize to put online. She is also working on a children's book. How should she scan the images and what are some beginner steps ...