| 摘要 |
An image forming apparatus, in which a consumption article can be attached to and detached from a main body, has a device that makes an access to a memory provided on the consumption article, a device that determines whether or not an access failure has occurred during the access to the memory, and a device that switches over between warning levels according to the address of the memory where the access failure has occurred or an attribute concerning write and read where the access failure has occurred.
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