C3200n Technical Reference, MacMacintosh OS 10.2 ï 30Auto tray switchIf two trays contain identical print media, the printer canautomatically switch to the other tray if the media runs out inthe middle of a print job. If you will be using different media inthe different trays, deselect this.Paper size checkDeselect this if you do not want the printer to check to see ifthe size paper loaded in the selected tray matches thatrequired for the document being printed.Multi Purpose Tray is Manual feedSelect this if you wish to feed media (e.g. banner paper) intothe Multi Purpose Tray manually. The printer display will showa message requesting that you load the media before the jobprints.The default is No.Always create 100% Black(K) TonerNormally the printer uses all four toner cartridges to print blacktext. Use this to set the printer to always print black text usingonly the black toner cartridge.Run maintenance cycle before printingUse this to generate a cleaning page which runs through theprinter before the job is printed. This should eliminate anyfading, streaking or erratic marks from the printed pages.NOTEUse only recommended transparencies (3MCG3720, Oki 52205701).