Hello!Thank you for your prompt response.With due respect, the first part of your reply is just a reiteration of what I said, in a more formal way: "no one from Canon helps us here" or as you'd put it that way: "The Canon Community isn't intended for...
I also read the older post that explains the exact same problem of mine. My machine is a MF455dw but it's essentially the same as MF453dw. I also get these ~3mm white borders on the exact same positions (top and left corners) of the scanned original....