If The Power Goes Out - Canon Laser Class 2060 User Manual

If the Power Goes Out

If power to the LASER CLASS 2060 is cut off, any documents stored in its
fax memory will be retained for approximately one hour by a built-in
battery.
While power is out, you can only use the LASER CLASS 2060 to receive
telephone calls (if you have the handset or a telephone connected to the
unit) and to make calls (if you have a telephone connected to the unit).
You cannot send or receive faxes.
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Frequently Asked Questions Chapter 13