Image forming apparatus and function extension program for...

Details Image forming apparatus and function extension program for... Image forming apparatus and function extension program for...

2006-07-10

2008-11-04

Tran, Hoan H (Department: 2852)

Electrophotography

Machine operation

C399S081000

Reexamination Certificate

active

07447456

ABSTRACT:
An image forming apparatus that allows easy implementation of options or other extensions to a multi-functional peripheral or the like is provided, together with a function extension program for use in the image forming apparatus. The image forming apparatus reads a predetermined function program from a storage section storing at least one function program on which usage restrictions have previously been placed and enables the read function program. It is detected whether or not a cancellation device (2, 3or4) that cancels the usage restrictions on the at least one function program is connected to a hot-pluggable connecting terminal. Cancellation information is read from the cancellation device when the cancellation device is detected being connected to the connecting terminal. The usage restrictions on the at least one function program are canceled according to the read cancellation information.

REFERENCES:
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patent: 6973274 (2005-12-01), Kanamoto et al.
patent: 7221885 (2007-05-01), Sato
patent: 2003/0231343 (2003-12-01), Kobayashi et al.
patent: 2005/0066072 (2005-03-01), Nakamura
patent: 9-267538 (1997-10-01), None
patent: 2001-309099 (2001-11-01), None

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