importPrintPreset, is it broken?

Hi everyone,

has anyone had any luck with importPrintPreset()? I can't get it to import any presets, I get no errors, it just doesn't do anything...

var idoc = app.activeDocument;


var file = new File('c:/temp/printPresetFile');
idoc.importPrintPreset ('presetName', file);

using CS5, win 7