If power is suddenly lost due to an outage or accidental unplugging, a built-in battery retains the user data settings and the speed dialing settings. Any sent or received documents stored in memory are backed up for about 3 hours.
During a power cut, functions are limited as follows:
- You cannot send, receive, copy, or print documents.
- You may not be able to make telephone calls using an external telephone, depending on the type of telephone you use.
- You can receive telephone calls using an external telephone depending on the type of telephone you use.
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