Canon MG2400 Series Online Manual page 109

perform operations from the operation panel of the machine or printing and
scanning from the computer.
If you specify a time for Use quiet mode during specified hours, quiet mode
is not applied to operations (copy, direct print, etc.) performed directly from the
machine.
4. Apply the settings
Make sure that the machine is on and click OK.
Click OK when the confirmation message appears.
The settings are enabled hereafter.
Note
The effects of the quiet mode may be less depending on the print quality settings.
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