Hi i have two Xerox machines J75 when I load paper on the Dadf the green light ll come on the the document lift ll go up but when I make a copy it ll scan on the platen it won't pick from the Dadf the second machine Xerox 700 tray 5 lift motor is not lifting but I replaced the motor from the working machine the problem is still there help me with the component control for tray 5 lift motor assist on the two machines