If a power failure occurs – Canon ImageCLASS MF4570DN User Manual

Page 143

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9-11

Tr

oubleshooting

The machine cannot be used while power supply is cut off.
The fax function during a power failure

• Documents cannot be sent or received.
• You may not be able to make a call using the external telephone depending on your telephone.
• You may be able to get a call using the external telephone depending on your telephone.

IMPORTANT

Data storage for when power supply is cut off

Even if power is lost due to a power failure or accidental unplugging, any sent or received documents stored in the memory are backed up for
approximately 5 minutes.

NOTE

Charging the built-in battery

It takes approximately 24 hours to fully charge the built-in battery after the machine is turned ON.
If the built-in battery has not been charged fully charged, documents stored in the memory may not be properly backed up.

If a Power Failure Occurs

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