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 on the printer.
Envelope Feeder
Follow these steps to install the Envelope Feeder:
1. Make sure the printer is not turned on.
Installing the Options
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