
M3091DC Image Scanner Operation Guide vii 
Direction 
− Insert the AC adapter all the way to the bottom of the outlet. 
Failure to do so could result in a fire or fault. 
Plug 
− Disconnect the AC adapter from the outlet before connecting an 
interface cable or optional product. 
Failure to do so could result in an electric shock. 
− Disconnect the AC adapter from the outlet for safety if the scanner 
will not be used for a long period. 
Failure to do so could result in a fire or electric shock. 
Prohibited 
− Always hold the plug when disconnecting the AC adapter from the 
outlet. 
Pulling the power cord could damage the cord and result in a fire or 
electric shock. 
− Do not keep looking at the fluorescent lamp. 
− At least once a month, check whether: 
--  The AC adapter is firmly connected to the outlet. 
--  The AC adapter is free of abnormal heat, corrosion, or bending. 
--  The AC adapter and outlet are free of dust. 
--  The power cord is free of breakage or scratches. 
If an abnormality is found, call your sales agency or Fujitsu Limited.