• The temperature of the fuser unit does not rise to a specified temperature within the specified time.
• The fuser unit is too hot.

Do one of the following to resolve the issue.

• (For a certain model) To prevent you from losing the received fax data in the machine's memory, transfer the data to another Fax machine or to your computer before turning off the machine.
   
• Press and hold(Power On/Off)  to turn off the machine, wait a few seconds, and then turn it on again. Leave the machine idle for 15 minutes with the power on.