What methods can be used to securely erase the mass storage?
Secure Storage Erase overwrites temporary files and job data one or three times. Secure Disk Erase is an industry-standard ATA Secure Erase that clears all data on the hard drive, while Secure File Erase removes files after jobs finish processing by writing over them once or thrice (Page 2).
From the official HP Model manual, page 2
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