My HP1120c was working fine when I left for a week-long trip. When I came back, the power LED was unlit and the resume LED & cartridge LED were both on. (not flashing) Pushing any of the buttons, including the power button, does nothing at all. The only way to turn off the LEDs is to unplug the printer. When the printer is plugged back in, they come back on (still no power LED). The printer does not make any sound at all and nothing moves at all. I have 19 Vdc output from the internal power transformer board, but since I have not been able to locate any schematics, I don't know what else to check.