Epson ES-1200C - Manual (Page 17)

Plugging in the Scanner
1. Firmly connect the power cable to the power inlet on the
rear of the scanner and the other end into an appropriately
grounded outlet as shown below.
2. If any of the scanner’s lamps come on, press the OPERATE
button to turn the scanner off.
Warning:
Whenever you turn of the scanner, wait at least 10 seconds
before turning it back on. Rapidly turning it on and off can
damage the scanner.
1-4 Setting Up the Scanner