Brother DCP-110C - Manual (Page 10)

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WARNING
This product must be installed near an AC power outlet that is easily
accessible. In case of emergencies, you must disconnect the power
cord from the AC power outlet to shut off power completely.
Caution
To maintain the best print quality, we recommend that you use the
On/Off key to turn off your DCP. Do not unplug the power cord from
the AC power outlet, unless moving the machine or performing
maintenance. If you need to disconnect your machine from the
power, you will need to set the date and time again. (See Quick
Setup Guide.)