This includes battery backup devices, surge protection devices, and power strips, and may include devices which are plugged into AC electrical outlets outside of the room where the Brother machine is located.Ī laser machine should not be plugged into a UPS or power backup unit unless the device is rated by the manufacturer for use with laser machines. The noise is likely caused by a UPS/battery backup on the same circuit as the machine.
The machine is not capable of producing an audible beeping sound during printing, as it doesn't have a speaker.
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