80 Basic Operation
Power Saver Mode
The printer has an energy saving feature that reduces power consumption during periods of inactivity. This feature
operates in two modes: the Low Power mode and Sleep mode. As delivered, the printer switches to the Low Power
mode one minute after the last print job is printed. The printer then switches to the Sleep mode after another four
minutes of inactivity. When the printer is in the Low Power mode, the LCD backlight turns off. In the Sleep mode, the
(Wake Up) button lights up, and the LCD backlight turns off. In the Sleep mode, the display also goes blank and
displays nothing.
The factory default settings are changeable within the range of 1 to 60 minutes (Low Power Timer) and 1 to 6
minutes (Sleep Timer). The printer returns to the ready-to-print state in about 20 seconds when re-activated.
NOTE:
• The functions of Low Power Timer and Sleep Timer cannot be disabled.
See also:
• "Setting the Energy Saver Option" on page 341
Exiting the Power Saver Mode
The printer automatically exits the Power Saver mode when it receives a print job from a computer. To manually exit
the Low Power mode, press the (Wake Up) button on the operator panel. To exit the Sleep mode, press the
(Wake Up) button.
NOTE:
• Opening and closing a cover will cause the printer to exit the Low Power mode and the Sleep mode.
• Opening and closing the DADF cover will cause the printer to exit the Sleep mode.
• When the printer is in the Sleep mode, all buttons on the operator panel except for the (Wake Up) button do not function.
To use the buttons on the operator panel, press the (Wake Up) button to exit the Sleep mode.
See also:
• "Setting the Energy Saver Option" on page 341
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