Epson WorkForce Enterprise WF-C17590 - Duplex Scanning Line Issue

EPSON WorkForce Enterprise WF-C17590, WF-C20590, & WF-M20590 7/9/19
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2nd page of 2-sided/Duplex scanning is just a bunch of lines.
Check the cable connecting to CN54 on the CE47MAIN (Main Board) and CN2 on
CE47SUB-B (Scanner FFC relay) board and make sure it is secure.