Toshiba e-STUDIO230/280 사용자 설명서

If the inside of the charger wire become dirty, the dirt may appear on the copy.

* Before start cleaning, BE SURE TO TURN OFF THE POWER, then open the front cover.

To turn the power OFF, see "Turning off the Power (Shutting down)"   Page 31.

- Hold the cleaning knob, pull it out slowly and fully to the front and 

then push it back to the inside carefully and completely. Repeat 
this 2 or 3 times.

Make sure that the charger knob is pushed in fully inside.