The time required to return from Fusing Unit Off mode and resume printing is as long as the time
required for warm-up time. For details about the warm-up time, see page 179 "Specifications for
the Main Unit".
Low Power mode
If you do not use the machine for a certain period after an operation, the display will turn off and
the machine goes into Low Power mode. The machine uses less electricity in Low Power mode.
You can change the amount of time that the machine waits before switching to Low Power mode
under [Low Power Mode Timer]. For details, see "System Settings", Connecting the Machine/
System Settings.
You can change the machine's settings to enter Low Power mode when you press the [Energy
Saver] key. For details, see "System Settings", Connecting the Machine/ System Settings.
To exit Low Power mode, do one of the following:
• Pull out the paper trays
• Touch the display panel or press one of the keys on the control panel
Sleep mode
If the machine remains inactive for a specified period or the [Energy Saver] key is pressed, it enters
Sleep mode to further reduce the electricity it consumes. For details, see "System Settings",
Connecting the Machine/ System Settings.
When the machine is in Sleep mode, only the [Energy Saver] key and the [Check Status] key are
usable. The machine can print jobs from computers.
You can change the amount of time that the machine waits before switching to Sleep mode under
[Sleep Mode Timer]. For details, see "System Settings", Connecting the Machine/ System Settings.
To exit Sleep mode, do one of the following:
• Press the [Energy Saver] key
• Press the [Check Status] key
• When the machine is in Low Power mode, the [Energy Saver] key is lit. In Sleep mode, the [Energy
Saver] key flashes slowly. In Fusing Unit Off mode, the [Energy Saver] key is not lit.
• The energy saving functions will not operate in the following cases:
• When fixed warm-up is in progress
• When operations are suspended during printing
• When a warning message appears (The machine enters Fusing Unit Off mode unless the
cover is open.)
• When paper is jammed (The machine enters Fusing Unit Off mode except when the cover is
open.)
• When the Data In indicator is lit or flashing
Turning On/Off the Power
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