is the ink so heavy it leaks thru? Is it printing previous prints lightly onto new prints? The first one maybe can be fixed- the second would be so weird and we would need to investigate more. Good luck https://www.6ya.com/mrmmike
if you are running the originals thru the adf on top the slit glass under the top cover might have a spec of somthing on it. this is the glass that is only an inch wide next to the big glass under the top.