There can be several reasons why your printer is not working anymore. In this case, it's better to contact a specialized service because this issue can be caused by a malfunction of printer's power source or other hardware malfunction. Before you do this, try checking whether your outlet does properly function. To do this, plug the printer directly into a wall outlet. Also, make sure that you correctly plugged in the power cord.
If none of the provided solutions worked for you, contact a specialized service for further assistance.