You can set a password for a print job so that it starts printing only after entering the password on the printer's control panel.
Select Confidential Job Settings from the pop-up menu.
Select Confidential Job, and then enter the user name, job name, and password.
Set the other items as necessary.
Click Print.
To print the job, select Print From Internal Memory on the home screen of the printer's control panel. Select the job you want to print, and then enter the password.