Installing Options 5-333. Replace the access cover (see “Replacing the AccessCover”).4. After securing your system, reboot it and run the Setupprogram to set the new configuration.ADDING EXTERNAL OPTIONSThis section includes installation procedures for thefollowing external options: parallel printer serial devices.Connecting a Parallel PrinterNOTEBefore connecting a printer to the system, besure the printer is set up correctly. Follow the setupinstructions that came with the printer.Connect a parallel printer to the system as follows.1. Turn off power to the system and printer.2. Connect the printer cable to the parallel port on the rearof the system unit (see the following figure).