Lexmark MS632
From the home screen, touch Settings > Device > Maintenance > Out of Service Erase.
Depending on the storage drive that is installed on your printer, do either of the following:
Note: The process to sanitize the hard disk can take from several minutes to more than an hour, making the printer unavailable for other tasks.
Start the operation.
Expand the memory capacity of your printer to print complex jobs and collate large print jobs.
Remove stored information to free up printer memory and avoid printing errors.