Use this procedure to prepare the machine for a long period of inactivity with its power switch turned off.
Note that not using the following procedure could result in unusual noises when use of this machine is resumed.
Do not switch off the machine during printing.
Turn off the power switch.
Pull out the plug from the socket.
Open the rear cover.
Lower the levers for printing envelopes on both side to the position indicated with an envelope mark.
Close the rear cover.
This step is not necessary if the machine's power switch is on but the machine has been inactive for a long time.