3) When the downloading session has ended, click [OK].
4) If you want to execute a different downloading session, see the appropriate instructions.
5) When the downloading session has ended, turn off and then on the machine (iR4570/3570, 2870/2270 Series).
6) See the status of upgrading indicated on the control panel of the machine (iR4570/3570, 2870/2270 Series). When a message appears asking you to turn off and
then on the machine, turn off and then on the main power (iR4570/3570, 2870/2270 Series).
Be sure never to turn off the machine while it is executing a downloading session or writing downloaded system software. Otherwise, the machine may not be able
to start up.
If the machine fails to start up, format BOOTDEV using HDFormat, and download such software as System, Language, and RUI.
If an error code is indicated, be sure to download appropriate firmware.