2.Lift the Shifter over the printer, tilting the front end slightly downward, and fit the metal hook into the hook slot.
3.Note the location of the interface plug on the Shifter and its counterpart on the printer. Lower the rear of the unit into place and make sure the plug is inserted properly into the receptacle on the printer. Slide the unit slightly as necessary so that the plastic tabs snap into the slot along the rear of the printer.
4. Turn the printer on when you finish installing the option.
30Installing the Options