Click OK on the Page Setup tab.When you execute print, the document is first printed on one side of a sheet of paper. After one side isprinted, reload the paper correctly according to the message.Then click Start Printing to print the opposite side.Important• When a media type other than Plain Paper is selected from Media Type on the Main tab, DuplexPrinting (Manual) appears grayed out and is unavailable.• When Tiling/Poster or Booklet is selected from the Page Layout list, Duplex Printing (Manual) andStapling Side appear grayed out and are unavailable.Note• If the back side of the paper becomes smudged during duplex printing, perform Bottom Plate Cleaningin the Maintenance tab.Related TopicsCleaning Inside the PrinterChanging the Printer Operation Mode128