Data security notice
Identifying printer memory
• Volatile memory—The printer uses standard random access memory (RAM) to buer user data temporarily
during simple print and copy jobs.
• Non-volatile memory—The printer may use two forms of non-volatile memory: EEPROM and NAND (flash
memory). Both types are used to store the operating system, printer settings, network information, scanner
and bookmark settings, and embedded solutions.
• Hard disk memory—Some printers have a hard disk drive installed. The printer hard disk is designed for
printer-specific functionality and cannot be used for the long‑term storage of data that is not print-related.
The hard disk does not provide the capability for users to extract information, create folders, create disk or
network file shares, or transfer FTP information directly from a client device. The hard disk can retain buered
user data from complex print jobs, form data, and font data.
The following parts can store memory:
• Printer control panel
• User interface controller card (UICC)
• Controller board
• Optional hard disks
Note: The printer control panel and controller board contain NVRAM.
Erasing printer memory
To erase volatile memory, turn o the printer.
To erase non-volatile memory:
1 From the home screen, touch Settings > Device > Maintenance > Out of Service Erase.
2 Select the Sanitize all information on nonvolatile memory check box, and then touch ERASE.
3 Follow the instructions on the display.
To erase the hard disk memory:
1 From the home screen, touch Settings > Device > Maintenance > Out of Service Erase.
2 Select the Sanitize all information on hard disk check box, and then touch ERASE.
3 Follow the instructions on the display.
Notes:
• This process can take from several minutes to more than an hour, making the printer unavailable for
other tasks.
• After removing the hard disk, return it to the next level of support.
Tools required for service
• Flat-blade screwdrivers, magnetic, various sizes
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