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Efficient control system of image forming apparatus

  • US 5,335,048 A
  • Filed: 02/02/1993
  • Issued: 08/02/1994
  • Est. Priority Date: 01/31/1990
  • Status: Expired due to Term
First Claim
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1. A control system including a plurality of image forming apparatuses and a control unit connected to each of said image forming apparatuses through a communication line, whereineach of said image forming apparatuses comprises operational data transmitting means for transmitting operational data including information related to a consumption amount of consumables to said control unit through said communication line, andsaid control unit comprises;

  • operational data receiving means for receiving the operational data transmitted from said image forming apparatus through said communication line,input means for inputting consumables supply data corresponding to an amount of consumables supplied to a user of each of said image forming apparatuses,memory means for storing the consumables supply data input from said input means, andcalculating means for calculating a present stock amount of consumables, including consumables that are not loaded in said image forming apparatus, on the basis of the operational data received by said operational data receiving means and the consumables supply data stored in said memory means.

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