[SWFKit]

The printers folder is a virtual folder, the method won't work.
If you want to open the "printers" folder, you can do like this

Shell.run("RunDLL32.EXE SHELL32.DLL,SHHelpShortcuts_RunDLL PrintersFolder");

http://www.dx21.com/SCRIPTING/RUNDLL32/REFGUIDE.ASP