4Setting Up the machineDo NOT connect the interface cable.Connecting the interface cable isdone during the softwareinstallation process.1 Open the front cover by pressing the frontcover (1) release button.2 Unpack the drum unit and toner cartridgeassembly.3 Gently rock the drum assembly from side toside several times to distribute the tonerevenly inside the cartridge.4 Put the drum unit and toner cartridge intothe machine so that it clicks into place.5 Close the front cover of the machine.1 Install the drum unit assembly(1)Step 1