Lexmark C750 User Reference Manual page 18

When you select Confidential Job from the Job Menu and then select your user name, the following
prompt is displayed:
Enter PIN:
=____
Use the buttons on the operator panel to enter the four-digit PIN associated with your confidential job.
The numbers next to the button names identify which button to press for each digit (1–6). As you enter
the PIN, asterisks are displayed on the operator panel to ensure confidentiality.
If you enter an invalid PIN, the message No Jobs Found. Retry? appears. Press
PIN, or press to exit the Confidential Job menu.
Stop
When you enter a valid PIN, you have access to all print jobs matching the user name and PIN you
entered. The print jobs matching the PIN you entered appear on the display when you enter the Print A
Job, Delete A Job, and Print Copies menu items. You can then choose to print or delete jobs matching
the PIN you entered. (See
job, the printer deletes the confidential job from memory.
Enter PIN
=****
Printing and deleting held jobs for more information.) After printing the
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to reenter the
Go