Xerox® Security Guide for Entry Production Color Class Products 
March 2019   Page  7-29 
 
 
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 Non-Volatile Memory 
Temporary 
storage 
of 
variables 
SRAM 
is 
erased 
when 
machine 
is 
powered 
off. 
DRAM 
(SYSTEM 
MEMORY 
DIMM) 
Temporary 
storage 
of program 
and 
work area 
SDRAM 
is 
erased 
when 
machine 
is 
powered 
off. 
Temporary 
storage 
of program 
and 
work area 
SDRAM 
is 
erased 
when 
machine 
is 
powered 
off. 
Temporary 
storage 
of 
variables 
SRAM 
is 
erased 
when 
machine 
is 
powered 
off.