I could be wrong, but I think you have to preface it with the word "tray", such as:
PRINT Certificate + WHERE Holder = .vHolder + OPTION PRINTER + |SHOW_CANCEL_DIALOG OFF + |TRAY TRAY 3 Karen > So, I'm struggling to figure out why I cannot get a report to print to a > manual feed tray. > > This is what I have at the moment... > > PRINT Certificate + > WHERE Holder = .vHolder + > OPTION PRINTER + > |SHOW_CANCEL_DIALOG OFF + > |TRAY 3

