Image forming apparatus and method for controlling access to...

Details Image forming apparatus and method for controlling access to... Image forming apparatus and method for controlling access to...

2011-02-08

2011-02-08

Walsh, Ryan D (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S013000, C399S027000

Reexamination Certificate

active

07885553

ABSTRACT:
An image forming apparatus that includes: an image forming apparatus main body; a replaceable unit which is attached to the image forming apparatus main body in a detachable manner; a storage unit provided in the replaceable unit, the storage unit storing information with respect to the replaceable unit; a first detecting unit that detects a first-stage operation for replacing the replaceable unit and other operation at a first stage of replacing the replaceable unit; a second detecting unit that detects a second-stage operation for replacing the replaceable unit at a second stage of replacing the replaceable unit; and a control unit that controls access to the storage unit in accordance with whether the second detecting unit detects the second-stage operation, when the first detecting unit detects the first-stage operation.

REFERENCES:
patent: 5907748 (1999-05-01), Kawana
patent: 6647214 (2003-11-01), Takahashi
patent: 2005/0084272 (2005-04-01), Kikuchi
patent: 2005/0095017 (2005-05-01), Kikuchi
patent: 2002-169429 (2002-06-01), None
patent: 2004-114652 (2004-04-01), None
patent: 2004294911 (2004-10-01), None
patent: 2005-189280 (2005-07-01), None

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