Epson ES-1000C - Manual (Page 7)

5. Connect one end of the power cable to the power inlet on
the rear of the scanner and plug the other end into an
appropriately grounded electrical outlet as shown below.
If the scanner comes on when you plug it in, turn it off by
pressing the OPERATE button.
Warning:
Whenever you turn off the scanner, wait at least 10 seconds
before turning it back on. turning it on
damage the scanner.