A.3 General Description of OptionsA-12A.3.8 Hard DiskThe hard disk is used for saving print data. This is advantageous when printing multiple setsof copies, as high-speed printing is possible using the electronic sorting function. The harddisk is further required in order to use the e-MPS function. You can use the KM-NETPrinter Disk Manager utility to keep track of the stored data. This software is included inthe CD-ROM supplied with the printer.The hard disk is installed in the HDD (upper) slot provided for it at the back of the printer asshown below.The hard disk must be formatted before the initial use. To format the hard disk, use theprinter operator panel or the KM-NET Printer Disk Manager. Before you install the harddisk in the printer, power off the printer and unplug the power cord.Figure A-15Caution• Do not install the hard disk in the OPT (lower) slot.• This printer remains energized for 30 minutes even after it is powered offfor internal cooling. Unplug the power cord before installing the hard diskin the printer. Power on the printer immediately after you finish the harddisk installation.HDD Slot