Image forming apparatus including main casing to which consumable including consumable memory is attachable

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12251938
APP PUB NO 20230311529A1
SERIAL NO

18190635

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An image forming apparatus includes: a main casing to which a consumable including a consumable memory is attachable; a main memory; and a controller configured to perform: when the consumable is new, storing identification information of the consumable in the main memory; when the consumable is used and is a special consumable, determining whether the identification information is stored in the main memory; when the identification information is stored in the main memory, permitting use of the consumable; when the identification information is not stored in the main memory; prohibiting use of the consumable; and while an external memory is physically connected to the main casing, storing the identification information in the external memory. By the external memory being physically connected to another image forming apparatus, the another image forming apparatus permits use of the consumable therein on the basis of the identification information stored in the external memory.

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Patent Owner(s)

  • BROTHER KOGYO KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Suzuki, Takayuki Nagoya, JP 661 11733

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