Xerox® Security Guide for Office Class Products:  AltaLink®  VersaLink® 
November 2018   Page  46 
 
 
 
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 
Executable code, 
Printer control 
data, temporary 
storage of job data 
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. 
 
Marking Engine Non-Volatile Storage 
N/A.  The marking engine does not contain any non-volatile storage. 
 
Marking Engine Volatile Memory 
N/A.  The marking engine volatile memory does not store or process user data.