Although an A4 paper is white, by using a casual scanner (Office Lens) it will be a gray background. I know a good professional scanner can give a white background, but that is now when I upload a totally white background pdf it gives back a totally white one which is not real enough I guess
Although an A4 paper is white, by using a casual scanner (Office Lens) it will be a gray background. I know a good professional scanner can give a white background, but that is now when I upload a totally white background pdf it gives back a totally white one which is not real enough I guess