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No jobs are waiting to print.
No service calls have occurred.
No paper jams have occurred.
No cover is open.
The toner cartridge is installed inside the printer.
The toner cartridge has reached the end of its service life.
The Ethernet driver is set to anything other than 1000Base-T.
NOTE
To check whether the printer has entered Sleep Mode
You can check Sleep Mode using indicators on the control panel.
Only the Main Power indicator comes on.
To configure the printer so that it does not enter Sleep Mode when an error occurs
Set [Sleep Even if Error] to [Off].
When using a utility software related to network
When you are using some type of utility software related to network and you set Sleep Mode to [High (Deep Sleep)],
communications may fail. When using such type of utility software, please release Sleep Mode.
Releasing Sleep Mode
The following are the methods to release Sleep Mode.
Releasing Sleep
Mode using the
printer's control
panel
Releasing Sleep
Mode on the
designated time
every day
Releasing Sleep
Mode from a
computer
NOTE
Sleep Mode is released also in the following cases.
When the printer is connected to a network or receives the unicast packet.
When devices on a network are searched from application software or utility software.
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Press the key on the printer's control panel.
If the printer has entered Sleep Mode, you can release the mode when [
is pressed.
Set the [Wake Up Timer] under [Timer Settings] to [On], and set the time when it automatically
cancels the Sleep Mode in [Wake Up Time].
Send data to the printer.
Perform the following in the Remote UI.
Perform the operations in the [Output/Control] menu under [Settings/Registration]
Display and set the [User Maintenance Menu] page in the [Preferences] menu under
[Settings/Registration]
manuals search engine
] (Energy Saver)
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