3Names and Functions of Components11 Rating PlateA serial number for identifying the printer is indicatedon this label.(The serial number is required when repairing theprinter or registering the warranty.)12 Power SocketConnect the supplied AC adapter to this socket.IMPORTANT• While the printer is operating, do not open the ink tank cover or the transport unit lever. It could cause a printer failure.Internal View11 Maintenance CartridgeInk used to clean printhead is collected in this cartridge.