A few more things I've tried since the previous posts... I completely reinitialized all settings on the printer and verified this occurred. Afterwards, I updated the firmware directly from the printer itself and that also worked. But after rebootin...
One other thing to note - once the light starts incessantly blinking, nothing will print. If I attempt to print, I can step through the printing windows that open in the application I'm working in and the application appears to accept the print job....
I am having this same issue; it has appeared recently despite the fact that the printer has been in use for well over 2 years. The green light will not stop flashing after it prints a job unless the printer is powered off. There is no error message ...