Part Names and FunctionsXerox WorkCentre C226 User Guide 1-13Exit tray The exit tray is installed on the output outlet of the machine or the Duplex Tray /Inverter Unit.Duplex Bypass/Inverter UnitThis module is required to automatically turn paper over within the machine for auto-matic two-sided printing.Other optional equipmentScan KitThis kit is required to add the network scanner function*.* To use the network scanner function, the scan kit, scanner interface board, and 256MB or more of optional memory must be installed.PS KitThis kit provides compatibility of PostScript level 3 to the printer.To use this function, 256 MB x2 optional memory must be installed.Fax UnitThis kit must be installed to use the fax function.Fax Expansion Memory (8 MB)This adds memory for use by the fax function.256 MB Memory KitThis adds memory that is used for the copy function, printer function, and scannerfunction.Face-up and face-down outputAfter printing, the paper is delivered to the exit tray. This product has two exit trays(centre tray and left tray). The paper specifications and output conditions differ foreach tray; however, if the paper and output conditions are such that the paper can bedelivered to either tray, you can select the tray to which the paper will go.• Paper exits to the centre tray face-down only.• Paper exits to the left tray face-up only. However, if a Duplex Bypass/Inverter Unithas been installed, face-down output is also possible. In this case, face-up or face-down output is automatically selected according to the paper and output condi-tions (it is not possible to manually select face-up or face-down.)