255 Installing Accessories4 Lift the machine and place it on topof the attachment, making sure thatthe positioning pins on the attach-ment correctly fit into the holes onthe bottom of the machine.WARNING!This machine weighs approximately 21 kg (46 lb) when it is fully loadedwith consumables.5 Open Tray 1 and reattach the dust cover.Next, install the duplex option.Installing the Duplex option" The illustrations in the following installation procedure show the machinewith Tray 2 installed; however, the installation procedure would be thesame if the attachment was installed.