Importance

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Abstract

In an image forming apparatus, a plurality of paper sensors are arranged along a preselected paper transport path. A jam detecting section detects jams location by location in response to the output signals of the paper sensors. A plurality of jam alarm counters are each assigned to the respective location. Each jam alarm counter counts jam information representative of jams occurred at the respective location. When the jam alarm counter counts a preselected number of jam information, jam alarm information is generated and sent to a remote control unit via a transmitting section. However, when the count of a copy counter increases to a preselected standard jam value stored in an alarm level memory, the existing count of the jam alarm counter is reset. The apparatus is capable of accurately sending, with a small capacity memory and with a minimum of computation requirement, information showing the frequent paper jam at a particular location on the paper transport path and information showing that a paper jam will frequency occur at a particular location in the near future.

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First Claim