installing the auto-duplex unit Use the auto-duplex unit to print on both sides of the paper. The auto-duplex unit is included with the hp business inkjet printer 3000dtn. It can be purchased separately for the hp business inkjet printer 3000/3000n. When printing on both sides of paper, the printer might require additional memory. The steps to install the auto-duplex unit in the printer are: Turn off the printer. Grasp the output bin by both sides and pull it straight out of the printer. Do not lift or tilt the output bin while removing it. Set the output bin aside. Grasp the handle under the front of Tray 2. Pull out Tray 2 until it catches.
Slightly lift up Tray 2, or move the tray counterclockwise, and pull it completely out of the printer. Set Tray 2 aside. Grasp the handle under the front of the simplex unit. Be careful not to touch the star wheels. Pull the simplex unit straight out of the printer, and set it aside. Keep the simplex unit for future use. Look for the two pink guides inside the printer. Insert the rails of the auto-duplex unit into these guides. Slide the auto-duplex unit into the printer until it locks into place. Insert Tray 2 into the Tray 2 case and push it firmly into the printer until it locks into place. Set the output bin on top of Tray 2. Push the output bin into the printer.
Be sure that both sides of the output bin snap into place. setup & configure hp restricted 2-17