I have an app that I am trying to run in Vdos (latest) under windows 10. Also running DOSPRN to get IBM Proprinter emulation and print on HP inkjet. The issue that I have is that the customer doesn't want to see Windows printing box (LPT1 = DUMMY). The customer also has some print jobs that are one line. The customer runs a number of these one line reports in a row and wants them to print on one sheet of paper. This works with LPT1 = TIO: 30 (30 second delay on print timeout). I can't find a way to combine DUMMY with any other options. All other reports run great. Suggestions?