Components 5Components 2PC ConnectorPlug the computer cableinto this connector. AC Power InletPlug the AC power cord into this inlet.LED Print HeadThis black bar is the part ofyour MFP machine whichwrites received or copiedimages onto the image drumunit. You should clean this bareach time you change yourtoner cartridge.Image Drum UnitThe image drum unit contains the greenphotosensitive drum which receives imagesfrom the LED print head and transfers them tothe printing paper.LINE TerminalTerminal for connecting theunit to an outside telephoneline.TEL TerminalTerminal for connecting theMFP machine to an externaltelephone.Power SwitchToner CartridgeThis black cylinder,installed inside theimage drum unit,contains the blackpowder which is yourMFP machine’s ink. Youneed to install a newtoner cartridge when theREPLACE TONERCART message appearson the display.