10-4Section 10 MAINTENANCE AND OPERATION INFORMATIONSRDF (Sheet-thru Reverse Document Feeder)Automatically feeds and scans multiple sheet-originals one by one. Two-sided originals are automatically turned over so that both sides can bescanned and copied.Original CoverOpen/close this cover when you are setting the original on the platen.Paper FeederThe Paper Feeder (two 250-sheet capacity drawers) can be used in addition to the standard drawers. Paper is loaded in these drawers in the samemanner as with the included drawers. This Paper Feeder includes casters that are attached to its bottom.Document FinisherThe Document Finisher stores a large quantity of copies and can sort multiple copy sets by shifting their position of ejection. It can also staple andpunch the sorted copy sets.Memory Copy BoardThe Memory Copy Board is required in order to use the various modes and functions (Margin mode, Border erase modes, Print page numbersmode, Transparency + backing sheet mode, Presentation mode, Insert sheet modes, Layout modes, Color/BW selection mode, Poster mode, Filingmode, Sort mode, Rotate copy function, Copy management function) of your copier.* The Memory Copy Board is standard in duplex copiers.Key CounterThe Key Counter is used for checking copier use and is convenient for centralized management of the number of copies made by each departmentas well as the total number of copies made overall on the machine.Printer KitIf the Printer Kit is installed in your copier, you can use the copier as a printer.Fax Kit (only available in inch specification copiers)If the Fax Kit is installed in your copier, you can use the copier as a facsimile.Network Scanner KitIf the Network Scanner Kit is installed in your copier, you can use the copier as a scanner from multiple computers over your network.