Library /sys$common/syshlp/decw$printwgt.hlb Overview, print_options, Print options ok  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  The OK button allows you to confirm the setting changes
  you have made in the Print Options dialog box. When you
  click on the OK button, the print widget returns to the
  Queue Options dialog box.