
Sleep/Wake Time
This option species the time of day that you want the printer to automatically start waking (or warming) up and
also sleeping.
You can save energy when the device is not in use for the time specied in Sleep delay. After Sleep delay is
applied, Sleep mode is automatically enabled. It might take some time for the device to return to a Ready state
once it is in Sleep mode. Wake time can only be set if the Sleep delay time is set.
Setting a Wake time is useful to ensure the device is ready at a certain time and not in Sleep mode. For example,
to make sure the device is ready at 7:45, set the Wake time for 7:30, then set a Sleep delay of 30 minutes or
longer so people have time to use the device before it re-enters Sleep Mode. Wake time can only be set if the
Sleep delay time is enabled.
Some devices also support Sleep time. Use Sleep time to ensure the device enters Power save mode at the
specied time, such as the end of the work day. Sleep time can only be set if you have enabled Sleep delay.
NOTE: Make sure you coordinate the Wake time with both Sleep delay and Sleep time.
To set this conguration option, select the desired settings from the lists displayed.
Sleep Delay (Minutes)
Use this option to specify the number of minutes the device must be idle before it automatically enters Sleep
Mode. This option is useful for reducing the average power consumption when the device is not used often.
To congure this option, enter the number of minutes to delay in the text box.
Sleep Delay Time
This option, also referred to as Power Save, lets you specify how long the printer can be idle before
automatically powering o. Sleep Delay mode reduces the printer average power consumption after it has been
idle for a specic length of time. This is useful if the printer is not used often.
NOTE: If the printer has an MFP (scanner unit) installed, such as the HP Color LaserJet 8500 or the HP Color
LaserJet 8550, the Power Save Timeout setting specied on the printer control panel might override the setting
specied on this page.
To set the Sleep Delay, select the timeout value from the drop-down list.
Sleep Mode
Use this option to specify how the printer goes into sleep mode, and then how it warms up again.
Use the following steps to congure this option:
1. To disable Sleep mode, select O. Disabling Sleep mode is not recommended, since energy saving
procedures will no longer be running.
2. To set Sleep mode, select the desired value from the Sleep mode drop-down list.
3. To set Sleep delay, select the desired value from the Sleep delay drop-down list.
Setting a Sleep delay is the most common set to put the printer into sleep mode, after a specic amount of
idle time.
336 Chapter 6 Device Conguration Options ENWW
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