activate application "PixCompare 3" 
tell application "System Events" 
tell process "PixCompare 3" 
click menu item "Print Contact Sheet…" of menu 1 of menu bar item "File" of menu bar 1 
click button "Select Pictures…" of window "Print Contact Sheet" 
delay 2 
 
--hier sollte die repeatschleife hin.  
--mit diesem befehl kann ich den button ansprechen: 
click button "Choose" of window "Open" 
 
delay 2 
click button "Print…" of window "Print Contact Sheet" 
delay 2 
click pop up button 3 of window "Print" 
click menu item "Phaser 7750DN" of menu 1 of pop up button 3 of window "Print" 
delay 1 
click button "Print" of UI element 5 of window "Print" 
end tell 
 
 
end tell 

repeat until window "Print Contact Sheet" is window 1 
				delay 1 
			end repeat