PRINTER AND CONSUMABLES
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Jun 18, 2015
filing date -
Jun 30, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
If an authentication unit authenticates the consumables manager, a determination unit determines whether or not a ink cartridge is past a recommended use-by date, which is calculated from the manufacturing date the recommended stop period and the like, based on the recommended use-by date and the number of days that have elapsed since the manufacturing date of the ink cartridge. Then, a notification unit displays a message as a warning on an operation panel, the message indicating that the ink cartridge is close to its use-by date, if the determination unit determines that the ink cartridge is past the recommended use-by date, and if the warning cycle has passed since the warning point of the last warning issuance judged from the warning information stored in a memory in the ink cartridge and the warning cycle stored in a memory.
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