Preventing Information Leaks
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3
Types of Data that Can or Cannot Be Overwritten
The following table shows the types of data that can or cannot be overwritten by
Auto Erase Memory.
*1
A Sample Print, Locked Print, or Stored Print job can only be overwritten after it has
been executed.Stored print jobs can be overwritten by Auto Erase Memory only if
they have been deleted in advance.
*2
The data for fax transmission and the registered fax numbers are stored in the mem-
ory. This data is not stored on the hard disk, so it will not be overwritten by Auto
Erase Memory.
*3
Data scanned with network TWAIN scanner will not be overwritten by Auto Erase
Memory.
*4
A stored document can only be overwritten after it has been printed or deleted from
the Document Server.
*5
Data stored in the Address Book can be encrypted for security. For details, see p.107
“Encrypting the Data in the Address Book”.
*6
Image overlay data can be overwritten by Auto Erase Memory only if it is deleted in
advance.
Data overwritten by Auto
Erase Memory
Copier • Copy jobs
Printer • Print Jobs
• Sample Print/Locked
Print/Stored Print Jobs
*1
• Spool Printing jobs
•PDF Direct Print data
Fax
*2
•LAN fax print jobs
• Internet fax transmitted
data
Scanner
*3
•
Scanned files sent by e-mail
• Files sent by Scan to Folder
• Documents sent using
DeskTopBinder, the Scan-
Router delivery software
or a Web Image Monitor
Data not overwritten by Auto
Erase Memory
Documents stored by the user in the Document Server using
the Copier, Printer or Scanner functions
*4
Information registered in the Address Book
*5
Counters stored under each user code
Image overlay data
*6
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