Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2005-02-01
2005-02-01
Grainger, Quana (Department: 2852)
Electrophotography
Diagnostics
Consumable
Reexamination Certificate
active
06850715
ABSTRACT:
An image forming apparatus in which printing with a developer whose lifetime has been exceeded can be prevented to avoid unstable printing, and an image forming apparatus in which erroneous insertion of a developer supply container can be prevented from occurring are is provided. An image forming apparatus has an apparatus body having an image forming unit, and a developer supply container which is detachably attached to the image forming unit to supply a developer in accordance with image formation. An IC chip having a nonvolatile memory for storing information relating to the developer supply container is disposed in the developer supply container. Processing means having a function of writing predetermined information into the nonvolatile memory is disposed in the apparatus body.
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Birch Stewart Kolasch & Birch, LLP.
Grainger Quana
Sharp Kabushiki Kaisha
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