Sharp AR-163 - Manual (Page 79)

In some areas, the POWER switch positions are marked I and on the copier
instead of ON and OFF .
The symbol denotes the copier is not completely de-energized but in a stand-by
condition at this POWER switch position.
If your copier is so marked, please read I for ON and for OFF .
Caution!
For a complete electrical disconnection, pull out the main plug.
The socket-outlet shall be installed near the equipment and shall be easily
accessible.
The CE mark logo label is affixed on an equipment in case that the directives described in the above
sentence are applicable to the product. (This sentence is not applicable in any country where the above
directives are not required.)