You can print on both sides (Duplex) of Paper on Simplex printer in Microsoft Office Word 2010 using its inbuilt feature.
- Open the file which you want to print.
- Click on File -> Print.
- Under setting Select manually print on both sides and click on print. First one side will be printed and message will appear to place sheets back in input tray and then click OK.
Other side will be printed.
Orientation of keeping paper varies from printer to printer; refer your printer user guide for paper orientation before using this option.