Kyocera Printer cannot power on


TS Rookie
I have Kyocera ECOSYS 3045dn Printer in my office, one day electric power was lost suddenly. After that it cannot power on, I try to press and hold the power button for a delay, I unplugged power cord for hours even for a few days and plugged it again I try the same but no change occurs, it can't power on. it has been dead.
help me please.