HP LaserJet Enterprise M855 - Certificate of Volatility (dn, xh, z models)

Hewlett-Packard Certificate of Volatility
Model:
HP LaserJet Enterprise
M855
Part Number:
A2W77A = M855dn
A2W78A = M855xh
Address:
Hewlett Packard Company
11311 Chinden Blvd
Boise, ID 83714
Volatile Memory
Does the device contain volatile memory (Memory whose contents are lost when power is removed)?
Yes No If Yes please describe the type, size, function, and steps to clear the memory below
Type (SRAM, DRAM, etc):
DDR2 - DRAM
Size:
2.5 GB
User Modifiable:
Yes No
Function:
Used for temporary storage
during the process of jobs, and
for applications that are
running on the OS.
(Note: Total memory on formatter
consists of 512MB on board
and an additional 1GB DIMM,
on scanner control board there
are 512MB on board and
512MB of DIMM)
Steps to clear memory:
When the printer is powered
off, the memory is erased.
Non-Volatile Memory
Does the device contain non-volatile memory (Memory whose contents are retained when power is removed)?
Yes No If Yes please describe the type, size, function, and steps to clear the memory below
Type (Flash, EEPROM, etc):
SPI Flash
Size:
4 MB
User Modifiable:
Yes No
Function:
Contains the boot code and
factory product configuration
data required for the device to
function. User modifications
are limited to downloading
digitally signed HP firmware
images.
Steps to clear memory:
There are no steps to clear this
data.
Type (Flash, EEPROM, etc):
ICB EEPROM
Size:
32 KB
User Modifiable:
Yes No
Function:
Backup device for critical
system counters and product
configuration information.
Steps to clear memory:
There are no steps to clear this
data.
Type (Flash, EEPROM, etc):
Size:
User Modifiable:
Function:
Steps to clear memory:
Yes No
Mass Storage
Does the device contain mass storage memory (Hard Disk Drive, Tape Backup)?
Yes No If Yes please describe the type, size, function, and steps to clear the memory below
Type (HDD, Tape, etc):
Self encrypting Hard
drive, SATA2
(All M880 models,
M855xh and M855x+
only)
Size:
320 GB
User Modifiable:
Yes No
Function:
Stores customer data, OS,
applications, digitally signed
firmware images, persistent
data, and temporary data
used for processing and
system functions
Steps to clear memory:
There are several ways to erase this:
1. Secure Storage Erase - Erases
temporary files and job data by
overwriting information one or three
times
3. Secure Disk Erase - Industry
standard ATA Secure Erase.
Overwrites all data on the hard drive.
4. Secure File Erase - Erases files
when jobs finish processing by
overwriting them one or three times.
Type (HDD, Tape, etc):
SSD Solid State Device
(M855dn only)
Size:
8 GB
User Modifiable:
Yes No
Function:
Stores customer data, OS,
applications, digitally
signed firmware images,
persistent data, and
temporary data used for
processing and system
functions
Steps to clear memory:
From the Pre-boot
menu choose format disk.