Is the power cable connected?
YES 
Did you turn on the Main Power switch?
YES 
Did you press the Power button?
YES
Connect the power cable and AC adapter correctly.
NO
Press the Power button.
NO
Press the Power button.
NO
If you cannot solve the problem after taking the measures above, check the items shown in "8.4 Before Contacting Your Dealer or Scanner Service Provider" (on page 152), and then contact the dealer where you purchased the scanner or an authorized FUJITSU scanner service provider.
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