3.   Close the auxiliary tray and remove any printouts from the paper output bin. 4.   Remove the paper tray from the printer. 5.   Gently lower the printer onto the optional paper tray. Align the stubs on the 550-Sheet Tray with the holes on the bottom of the printer. CAUTION: <2-41>  The printer weighs approximately 28 kg (62 lb). Use two persons to carry the printer. Use appropriate lifting precautions. 160    Infoprint 21: User’s Guide