7.   Insert the black plastic duplex chute into the opening at the back of the printer. Make sure the pins on the bottom of the chute are seated in the slot on the left of
the opening and the hole on the right of the opening.
Note:   The duplex chute remains loose until you secure it in the next step. 8.   Use the white plastic locking clips to fasten the duplex chute to the printer. 116 User’s Guide