If its dead it could be either from power supply or the main board unit AKA formatter board.
A sudden loss is mostly from power supply unit which it could be repaired.
Post a picture of it maybe I could help.
There are some videos related to clogged nozzles and how to unclog or flush the printer head. Google that and you will find.
If you want to do it yourself you need to be careful not to make the electronics of the head wet due to the solvent you may use. Cause if it happens the main board will be...
Hi based on my experience epsons P50 T50 or R270 series have the issue of sudden low speed after progressive printing.
But the problem almost solved in later upgrade of them in L800 series.
That is not the CR motor problem.
Mostly you can fix this by resetting the thermal protection in epson...