1) Place the org.cups.cupsd.plist in /System/Library/LaunchDaemons/ and change owner and group to root/wheel 2) Place the cups-pdf.conf in /etc/cups/ and change owner and group to root/wheel 3) Unload and load the cupsd process by typing: sudo launchctl unload /System/Library/LaunchDaemons/org.cups.cupsd.plist sudo launchctl load /System/Library/LaunchDaemons/org.cups.cupsd.plist 4) Try to print to the Desktop by choosing the PDF Printer.