There are two instances where the automatic determination of print file type for PostScript printing might need to be overridden.
For example, to print a PostScript file named myfile.ps that does not begin with %!, type the following at the command line:
qprt -ds -Pps myfile.ps
For example, to print the source listing of a PostScript file named myfile.ps that begins with %!, type the following at the command line:
qprt -da -Pps myfile.ps
Chapter 4, Input and Output Redirection
Chapter 6, Files
Chapter 2, User Environment and System Information