View file File name : cups.conf Content :<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> <busconfig> <!-- Only root can send this message --> <policy user="root"> <allow send_interface="com.redhat.PrinterSpooler"/> </policy> <!-- Allow any connection to receive the message --> <policy context="default"> <allow receive_interface="com.redhat.PrinterSpooler"/> </policy> </busconfig>