Xerox® Security Guide for Entry Production Color Class Products 
March 2019   Page  7-36 
 
 
 
Controller Non-Volatile Storage 
Contains User Data (E.g. Print, 
Scan, Fax) 
 NIST 800-171 Overwrite Support 
Contains Configuration Settings 
Note: Configuration settings may be erased by the reset to factory defaults feature. 
IC- Integrated Circuit, soldered to circuit board 
HDD- Magnetic Hard Disk Drive 
SSD- Solid State Disk 
SD Card- Secure Digital Card 
 
Controller Volatile Memory 
Contains no user or job 
specific data. Contains 
machine specific data 
(hardware ID, system 
settings, realtime control 
parameters, print job control 
state, performance log 
information, usage counters) 
Content can 
be initialized to 
factory default 
values. 
Additional Information: The controller operating system memory manager allocates memory 
dynamically between OS, running processes, and temporary data which includes jobs in process.  
When a job is complete, the memory pages in use are freed and reallocated as required by the OS. 
 
Controller Non-Volatile Memory 
OS, Boot code, Application 
code, 
Program constant data. 
Contains no 
user or job specifi512KBc 
data 
Content is 
erased and 
reloaded when 
system 
software is 
upgraded or 
reinstalled. 
OS, Boot code, Application 
code, 
Program constant data. 
Contains no 
user or job specific data 
Content is 
erased and 
reloaded when 
system