HP LaserJet 9050 Printer series - Manual (Page 89)

ENWW Security lock 87
Security lock
The security lock is a mechanical lock that can be used to prevent the removal of internal
computer components, Optional EIO accessories are not protected, however. Purchase the lock
assembly separately, and then install it on the product.
Job storage features
Several job-storage features are available for the printer. These features include printing private
jobs, storing print jobs, quick-copying jobs, and proofing and holding jobs.
For more information about job storage features, see Using the job-storage features .