Use this procedure to prepare the printer for a long period of inactivity with its power switch turned to off.
Note that not using the following procedure could result in unusual noises when use of this printer is resumed.
Do not switch off the printer during printing.
Turn off the power switch.
Pull out the plug from the socket.
Pull Front Cover Open Lever, and then open the front cover with both hands carefully.
Lower the blue fusing unit lever.
Using a coin, turn both gray knobs on the fusing unit 90 degrees counterclockwise (until the slots are horizontally aligned with the marking shown in the illustration below).
Close the front cover with both hands carefully.
This step is not necessary if the printer's power switch is on but the printer has been inactive for a long time.