Remove the Auto Duplexer If you need to remove the duplexer, make sure you replace the rear cover, as described below. 1. Turn off the Artisan 800 Series. (If you are removing the duplexer to clear a paper jam, do not turn it off.) 2. Press the buttons on the sides of the duplexer and pull it off of the Artisan 800 Series. 3. Attach the rear cover.