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Does the Brother printer show any lights, or signs of life?
If so, check the printer queue on your computer, before trying to print again. Clear all print jobs out of the print queue, then try printing something simple and short.
If not, then the power source needs to be checked - the power cord re-seated at both ends, tried in a different outlet, etc.
If the above does not help, or is N/A, please tell me more about the details, and I will advise you further. Such details as what shows up on the printer, how old the printer is, whether the computer that prints to it is a Windows PC or an Apple computer, and so forth. Thanks.