Image forming system and network management device including an image forming apparatus and an accessory device
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United States of America Patent
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Nov 29, 2016
Grant Date -
Nov 19, 2015
app pub date -
May 12, 2015
filing date -
May 13, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming system which can recognize the network configuration in real time is provided. The image forming system comprises an image forming apparatus for performing image formation and one or more accessory devices capable of establishing communication with the image forming apparatus via network bus. The image forming apparatus stores identification information which identifies each of the one or more accessory devices. The accessory device detects a communication state of the network bus to notify the image forming apparatus or accessory device which is adjacent of occurrence of communication error not via the network bus. When the occurrence of the communication error of the network bus is notified from the accessory device which is adjacent, the image forming apparatus realizes the network configuration in real time and erases the identification information stored.
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