An SC442-00 Error is in relation to the Image transfer unit and there may be an issue with it that will require a technician on site to have it looked at.
1. Turn the Printer off with the power button on the front, if the printer does not shut down within 10 minutes, you may turn it off at the socket.
2. Turn on the printer and wait for it to fully start up.
3. If the issue remains with only the power cable in please contact RBC Support.