Sorry, I don't have to do it in sufficient quantity of frequency to encourage scripting. And while doing it manually, I notice that the required tweaking of lev

Sorry, I don't have to do it in sufficient quantity of frequency to encourage scripting. And while doing it manually, I notice that the required tweaking of levels changes depending on the content of the page and how poor the scan is. I'm not sure an automated solution would provide satisfactory results consistently.