43856301TH Rev.3 44 /Oki Data CONFIDENTIAL 3. Set upO ITurn the power off.Note! If you turn off the power without properly shutting down, it may causedamage to the printer. Please follow the following procedure to turn thepower off.(1) Press down the [Return] switch for more than 4 seconds, the [shutdownmenu] message would display.(2) Press down the [Set] switch.If the message [shutdown] is displayed, the shutdown operation would start.(3) If the message [Turn off the power/shutdown completely] is displayed, pressdown the power switch to OFF " ".When you do not use the printer for long timePlease explain to the customer about the following items.Unplug the power cord if you do not use the printer for a long time (long vacation or travel etc).Install the stopper to the fuser.Note! Please remove the ground terminal after pulling the power plug outof the power outlet.Note! Even if the power plug of this printer is pulled out for a long time (fourweeks or more), the functional problems will not be caused easily.However, please explain to the customer that the deterioration ofconsumable such as toners and the image drums is not guaranteed.