Consumable part for an image forming apparatus and a control method thereof
AssigneeCanon Kabushiki Kaisha
InventorHiroshi Chihara
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Abstract
An image forming apparatus includes a detachable consumable part having a storage unit configured to store information. The image forming apparatus includes a counting unit configured to count the number of times of access to the storage unit, a measurement unit configured to measure a used amount of the consumable part, and an access control unit configured to control an access frequency to the storage unit based on the counted number of times of access and the used amount of the consumable part.
Claims10
An image forming apparatus that includes a detachable consumable part having a storage unit configured to store information, the image forming apparatus comprising:
- a counting unit configured to count the number of times data is rewritten in the storage unit;
- a measurement unit configured to measure a used amount of the consumable part;
- an access control unit configured to determine an access frequency to the storage unit based on information on the number of times counted by the counting unit and information on the used amount measured by the measurement unit;
- and
- a rewriting unit configured to rewrite data in the storage unit at the access frequency determined by the access control unit.
A method for controlling access to a storage unit provided in a detachable consumable part in an image forming apparatus, the method comprising:
- measuring a used amount of the consumable part;
- counting the number of times data is rewritten in the storage unit;
- determining an access frequency to the storage unit based on information on the counted number of times and information on the measured used amount;
- and
- rewriting data in the storage unit at the determined access frequency.
Dependencies are inferred from the claim text.