Make sure that there is no paper on the tray from the last job. If there is paper, remove it.
For details about how to remove paper, see Removing Paper
.
Specify the job settings.
For details about how to specify the job settings, see Copy and Document Server Reference.
Select the Sort function (
) under Sort / Stack.

Press [Output/ Customize Function/ Finisher].
Press [Stacker].
Press [Stacker Tray], and then press [OK].
Enter the number of copies with the number keys.
Place the originals.
To confirm the type of finishing, press the [Sample Copy] key.
Press the [Start] key.