Epson AcuLaser C8600 Reference Manual page 156

1. Make printer driver settings as appropriate for your
document, then open the Basic Settings dialog box and click
the
box appears.
2. Select the Reserve Job On check box and click the Confidential
Job button.
3. Enter a user name and job name in the corresponding text
boxes.
4. Set the password for the job by entering a four-digit number
in the password text box.
Note:
Passwords must be four digits.
Only numbers from 1 through 4 can be used for passwords.
Keep passwords in a safe place. You must enter the correct
password when printing a Confidential Job.
154 Using the Printer Software with Macintosh
Reserve Jobs icon. The Reserve Jobs Settings dialog