• After you switch the main power on, a screen may appear to indicate that the machine is
initializing. Do not switch the power off during this process. Initialization takes about 9
minutes. However, the time for initialization may differ depending on which options are
installed on the machine.
• If the machine does not turn on even if you press the main power switch, open the left
mainframe front cover and make sure that the AC power switch is turned on. For details about
the AC power switch, see page 265 "Dos and Don'ts".
Turning Off the Main Power
• When disconnecting the power cord from the wall outlet, always pull the plug, not the cord.
Pulling the cord can damage the power cord. Use of damaged power cords could result in fire
or electric shock.
• Do not turn off the power while the machine is in operation.
• Do not hold down the main power switch while turning off the main power. Doing so forcibly turns
off the machine's power and may damage the hard disk or memory and cause malfunctions.
1. Open the main power switch cover, and then push the main power switch.
The main power indicator goes out. The main power turns off automatically when the machine shuts
down. If the screen on the control panel does not disappear, contact your service representative.
Saving Energy
This machine has the following energy saving functions.
Fusing Unit Off mode
If you do not use the machine for a certain period after an operation, the machine makes a clicking
sound and enters Fusing Unit Off mode.
When the machine is in Fusing Unit Off mode, the display is on but the fusing unit heater is off to
save energy. In this mode, you can change the machine's settings on the control panel. However,
the machine must exit this mode to print.
You can change the amount of time that the machine waits before switching to Fusing Unit Off
mode under [Fusing Unit Off Mode (Energy Saving) On/Off]. For details, see "System Settings",
Device Management.
To exit Fusing Unit Off mode, start print jobs.
4. Getting Started
70
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