For OS X 10.9 Mavericks and below Mac users, the Version 5 Mac Print App will need to be installed. Java 6 is a requirement.
Click this link to verify the Java Version on Mac computer or use this URL: http://www.java.com/en/download/installed.jsp
Click this link to restore Java 6 on Mac computer or use this URL: http://support.apple.com/kb/dl1572