Image forming apparatus and method for erasing data thereof

Details Image forming apparatus and method for erasing data thereof Image forming apparatus and method for erasing data thereof

2006-01-13

2010-06-08

Popovici, Dov (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Memory

C358S001170, C358S001150

Reexamination Certificate

active

07733516

ABSTRACT:
In one embodiment of an image forming apparatus according to the invention, an overwrite data determination device for determining overwrite data so that a hard disk containing information on image forming jobs is overwritten with the overwrite data. An overwrite block size determination device for determining size of an equal-size block so that a disk memory area is divided into equal-size blocks to be overwritten with the overwrite data. The size of the equal-size block is larger than that of the overwrite data. Using the overwrite settings specified by the overwrite data determination device and the overwrite block-size determination device, a data erase control device overwrites the hard disk with meaningless data in order to erase data stored in the hard disk.

REFERENCES:
patent: 5237675 (1993-08-01), Hannon, Jr.
patent: 2005/0174675 (2005-08-01), Hattori et al.
patent: 9-284572 (1997-10-01), None

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