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Lexmark International, Inc. 

 
 
 
 
 

 

 

Lexmark Printers and Multifunction Products:  

Hard Disk and Non-Volatile Memory Guide 

 
 
 
 
 

This guide applies to the following Lexmark devices:  
 
Printers 

Multifunction Products 

C780

 

X646

 

C782 

X772

 

C935 

X782

 

T640 

X850

 

T642 

X852

 

T644 

X854

 

 

X940 

 

X945 

 

 

 

 
 
 
 
 

 
 
 
 

March 2011 
Version 1.3 

Summary of Contents for X646

Page 1: ...and Multifunction Products Hard Disk and Non Volatile Memory Guide This guide applies to the following Lexmark devices Printers Multifunction Products C780 X646 C782 X772 C935 X782 T640 X850 T642 X85...

Page 2: ...s use two forms of non volatile memory EEPROM and NAND These components store the device operating system device settings information network information embedded solution applications various scanner...

Page 3: ...ta that may be actively used by the device sitting idle on a device and or used by the device in a previous job Disk encryption provides the comfort that the hard disk can never be used in a device ot...

Page 4: ...ock or bar indicator appears Once the clock or bar indicator appears then you may release the buttons 3 You should see the Config Menu appear on the device control panel 4 To locate the Disk Encryptio...

Page 5: ...irmation of Disk Encryption Activities The only method to confirm that Hard Disk Encryption has been enabled is via MarkVision Professional A plug in has been developed for MarkVision which will allow...

Page 6: ...pport a mechanism for protecting residual data hard disk wiping Hard disk wiping actively overwrites the deleted job data with multiple passes of random data removing all residue of prior information...

Page 7: ...e check mark and the right arrow while powering on the device hold the buttons down until a clock or bar indicator appears Once the clock or bar indicator appears then you may release the buttons 3 Yo...

Page 8: ...inter Lexmark X646e firmware revision LC2 MC P239b Multifunction Printer Lexmark X646ef firmware revision LC2 TI P239b Multifunction Printer Lexmark X772e firmware revision LC2 TR P275 Multifunction P...

Page 9: ...highly recommended to be used when the device is taken out of service or removed from a secure location Destroying the device controller is the best method to ensure that your data can not be compromi...

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