white fine line in preview

Hi Peeps,

Just would like to ask regarding my situation trying to print business cards

and laying them out as pe usual in print preview however since i've lost my fiery im back to a normal

printer (also without postcript) and now i keep getting lines in my cut path. I tried Mark as object to elimiate

it however it overlaps on the images to the next tile (as shown in attachments.) can please someone assist me?

thank you in advanced.