Ricoh Aficio 3224C, Service Manual

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DATA OVERWRITE SECURITY UNIT (B735)
B156/B220 6-82 SM
6.15 DATA OVERWRITE SECURITY UNIT (B735)
6.15.1 AUTO ERASE MEMORY
A document scanned in the copier or scanner mode, or data sent from a printer
driver for printing, is stored temporarily on the hard disk of the machine. Even after
the copy or print job is completed, it remains in the hard disk as temporary data.
Auto Erase Memory erases the temporary data on the hard disk by writing over it.
Types of Data Overwritten and Not Overwritten
The following table shows the types of data that can or cannot be overwritten by
Auto Erase Memory.
Copier Copy jobs
Printer 1) Print jobs
2) Sample Print/Locked Print jobs(*1)
3) Spool Printing jobs
Scanner(*2) 1) Scanned files sent by e-mail
2) Files sent by Scan to Folder
3) Documents sent or retrieved by using Web
Image Monitor, Desk Top Binder, Scan Router
Fax PC fax print jobs, Internet fax transmission jobs
Data overwritten by
Auto Erase Memory
Document Server Temporary data that still remains in the
Document Server even after user erases the
data in the Document Server.
Data not overwritten by
Auto Erase Memory 1) Documents stored by the user in the Document Server using the
Copier, Printer or Scanner functions
2) Information registered in the Address Book (*3)
3) Counters stored under each user code
4) Network setting
NOTE: *1: A Sample Print or Locked Print job can only be overwritten after it has
been executed.
*2: Temporary data via TWAIN scanner function are not originally stored in
HDD, so TWAIN scanner functions can be used together with DOS
unit.
*3: Data stored in the Address Book can be encrypted for security.
Overwrite timing
Overwriting starts automatically once a copy, print and scanner job is completed.
Copier, printer and scanner functions take priority over the Data Overwrite function.
If a copier, printer or scanner job comes while a previous job is beign overwritten,
the overwrite process is automatically interrupted until the next job is completed.
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