- 48 -Installing the DeviceAppendixPrinting3Setting Up2Before use1 Basic Device Operations4 IndexMounting the Built-in HDD(Optional)Mount the (optional) built-in HDD to increase thememory capacity or implement secure printing.Reference For the functions required by the HDD, see "Advanced". Built-in HDD1 Turn OFF the device power supply, andremove the cables.Note When turning OFF the power supply, make sureto press the power switch and wait for shutdownbefore turning OFF (O) the main power switch.Reference “Connecting Power Cables” (P.51) “Turning OFF the Power Supply” (P.52)2 Loosen the screws on the access coverat the back of the printer ( ), andopen the door ( ).3 Check that the internal LED lamp ( ) isOFF.4 Align the screws (x2) on the built-inHDD to the holes on the device.5 Rotate the screws (x2) in the directionof the arrows to tighten securely.6 Connect the HDD connectors to thedevice.