Epson LQ-950 User Manual - Page 238

Power Supply Problem Power is not being supplied. The POWER light does not go on. The POWER light comes on then goes off. The light stays off even when the power is switched on again. Solution The power cable may not be properly plugged into the electrical outlet. Turn off the printer and properly plug the power cable into the electrical outlet. The power switch is off. Turn it on. Power is not being supplied to the electrical outlet. Plug another electrical device into the outlet to determine whether the outlet is operating properly. If the electrical outlet is controlled by a switch, use an electrical outlet that is not controlled by an outside switch. The voltage may not be correct for your printer. Check the label on the printer's back panel and confirm that the printer's voltage rating matches your electrical outlet. If the voltages do not match, unplug the printer and contact your Epson dealer immediately. Do not reconnect the power cord to an electrical outlet. The problem may lie with the electrical outlet. Plug another electrical device into the outlet to determine whether the outlet is operating properly. 7-4 Troubleshooting