LPR is the unix based printing built into the Mac.
var jobName = "print.pdf" var printerName = arguments[0] var printQuantity = arguments[1] var printerTray = arguments[2] //print out to PDF currentcontroller.print(true,false,plugins.pdf_output.getPDFPrinter(jobName)); //send the PDF to the printer application.executeProgram( '/usr/bin/lpr', "-T", jobName, "-P", printerName, "-#" , printQuantity, "-o", "media=" + printerTray, jobName );