In over 99% of cases, when you get lines or streaks when copying or scanning through the top portion of your copier/MFP, it is due to some residue on the ADF glass of your machine. See the below video for how to resolve this:
A M Exclusive Business Machines, Inc.
79-63 77th Avenue, Glendale, NY 11385
1-800-FIXES-ME (1-800-349-3763)
1-718-845-2828