Epson Stylus Color 660 Manual page 117

Turn off the printer and make sure the power cord is securely
plugged in.
Make sure your outlet works and is not controlled by a wall
switch or timer.
Lights came on and then went out
The printer's voltage may not match the outlet rating. Turn off the
printer and unplug it immediately. Then, check the printer labels.
If the voltage doesn't match, DO NOT PLUG YOUR PRINTER
BACK IN. Contact your dealer.
Only the power light is on
Turn off the printer and computer. Make sure the printer's
interface cable is securely plugged in.
Make sure there is no packing material in the printer.
Turn off the printer and computer and disconnect the
printer's interface cable. Then print an operation check page.
See "Running a printer operation check".
If the check page prints, make sure the printer software and
your application software are installed correctly.
Note:
If you're trying to print a large image, your computer may not have
enough memory to print.
If you are using Windows NT 4.0, try to uninstall the EPSON
Printer Port. Click Start, point to Programs and EPSON
Printers, then click EPSON Printer Port Uninstall. Follow the
messages on the screen.
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