The Quiet Mode setting can reduce printing noise. When Quiet Mode is turned on, the print speed becomes slower. The factory setting is off.
HL-L8260CDN/HL-L8260CDW
Press or to select the following: Select [General Setup]. Press OK.
Select [Ecology]. Press OK.
Select [Quiet Mode]. Press OK.
Press or to select the [On] or [Off] option. Press Go.
HL-L8360CDW/HL-L9310CDW
Press . Press [On] or [Off].
Press .