Cups error message

cupsdoprint -P 'Print to File (PostScript)' -J '' -H 'localhost:631' -U 'root' 
-o ' multiple-document-handling=separate-documents-uncollated-copies 
orientation-requested=3' '/usr/share/apps/kdeprint/testprint.ps' : execution 
failed with message:
client-error-not-found 

I have been setting up the printer and get this message when I try the test 
print button...Any tips welcome 



Regards
  Ted Wager
    Linux user