Lexmark CS923
This process erases all contents in the hard disk. If necessary, back up important data from the printer before starting the encryption.
From the home screen, touch Settings > Security > Disk Encryption > Start encryption.
Follow the instructions on the display.
Notes:
Expand the memory capacity of your printer and enable it to print complex jobs and collate large print jobs.
Delete residual confidential information left by scan, print, copy, and fax jobs.