Canon LBP7660Cdn Manual page 646

Releasing Sleep
Mode from a
computer
NOTE
Sleep Mode is released also in the following cases.
When an error is occurring
Sleep Mode 1 is released also when an error is occurring.However, Sleep Mode 2 may not be released depending
on the error type.
When connecting a network cable
The printer enters Sleep Mode 1 from Sleep Mode 2.
When the printer is connected to a network or receives the unicast packet
Sleep Mode 2 is released.
When devices on a network are searched from application software or utility software
Sleep Mode 2 is released.
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]